{"items":[{"id":"NVI-00007096","kind":"vulnerability","title":"phpMyFAQ has Stored XSS in Admin FAQ Editor via HTML Entity Bypass in Frontend FAQ Submission","revision":5,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-pgwp-vc7q-cvj3","CVE-2026-56736"],"plain_summary":"GitHub lists this reviewed advisory for thorsten/phpmyfaq, phpmyfaq/phpmyfaq. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-0853fff2bbd0f978b4f06815494d5fc2"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 4.2.0-alpha for thorsten/phpmyfaq. Confirm the publisher’s latest guidance.","source_ids":["sr-ce72f58951cccbe9a9652404f6c77412"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 4.2.0-alpha for phpmyfaq/phpmyfaq. Confirm the publisher’s latest guidance.","source_ids":["sr-ce72f58951cccbe9a9652404f6c77412"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-24T19:28:44.000Z","value":"8.2 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-96bb82489400d3eae63c37b7e8c0328b"},{"kind":"CVSS","as_of":"2026-09-24T15:17:24.240Z","value":"8.2 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-9da1abfd6fcaad7e9d9bbe36552e2116"},{"kind":"EPSS","as_of":"2026-11-05T12:03:04.000Z","value":"0.244%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.15716. Missing scores are unknown.","source_id":"sr-0853fff2bbd0f978b4f06815494d5fc2"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-96bb82489400d3eae63c37b7e8c0328b","url":"https://github.com/advisories/GHSA-pgwp-vc7q-cvj3","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-pgwp-vc7q-cvj3","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:24:52.155Z"},{"id":"sr-ce72f58951cccbe9a9652404f6c77412","url":"https://github.com/advisories/GHSA-pgwp-vc7q-cvj3","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-pgwp-vc7q-cvj3","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.990Z"},{"id":"sr-9da1abfd6fcaad7e9d9bbe36552e2116","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56736","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-56736","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:39.943Z"},{"id":"sr-0853fff2bbd0f978b4f06815494d5fc2","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-56736","publisher":"FIRST EPSS","observed_at":"2026-11-06T07:17:46.388Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-96bb82489400d3eae63c37b7e8c0328b"],"technology":"thorsten/phpmyfaq","known_exclusions":[],"conditions_summary":"### Summary\nA stored cross-site scripting (XSS) vulnerability in phpMyFAQ allows any unauthenticated user (or low-privileged registered user) to inject arbitrary JavaScript that executes in an administrator's browser when they review or edit a user-submitted FAQ entry. This leads to admin account takeover via session theft. The vulnerability exists because `html_entity_decode()` converts HTML entities into executable HTML after `strip_tags()` has already passed them through, and the admin template renders the content with Twig's `|raw` filter without any output sanitization.\n\n### Details\n**Vulnerable file:** `phpmyfaq/src/phpMyFAQ/Controller/Frontend/Api/FaqController.php` (lines 109-115)\n\n```php\n$answer = Filter::filterVar($data->answer, FILTER_SANITIZE_SPECIAL_CHARS);\nif ($this->configuration->get(item: 'main.enableWysiwygEditorFrontend')) {\n    $answer = trim(html_entity_decode((string) $answer));\n}\n```\n\n**Root cause:**\n\n`Filter::filterVar()` with `FILTER_SANITIZE_SPECIAL_CHARS` internally calls `filterSanitizeString()` which applies `strip_tags()` to remove HTML tags. However, `strip_tags()` only removes **actual HTML tag syntax** (e.g., ``) — it does NOT remove **HTML ","public_affected_ranges":["< 4.2.0-alpha"]},{"certainty":"source_listed","source_ids":["sr-96bb82489400d3eae63c37b7e8c0328b"],"technology":"phpmyfaq/phpmyfaq","known_exclusions":[],"conditions_summary":"### Summary\nA stored cross-site scripting (XSS) vulnerability in phpMyFAQ allows any unauthenticated user (or low-privileged registered user) to inject arbitrary JavaScript that executes in an administrator's browser when they review or edit a user-submitted FAQ entry. This leads to admin account takeover via session theft. The vulnerability exists because `html_entity_decode()` converts HTML entities into executable HTML after `strip_tags()` has already passed them through, and the admin template renders the content with Twig's `|raw` filter without any output sanitization.\n\n### Details\n**Vulnerable file:** `phpmyfaq/src/phpMyFAQ/Controller/Frontend/Api/FaqController.php` (lines 109-115)\n\n```php\n$answer = Filter::filterVar($data->answer, FILTER_SANITIZE_SPECIAL_CHARS);\nif ($this->configuration->get(item: 'main.enableWysiwygEditorFrontend')) {\n    $answer = trim(html_entity_decode((string) $answer));\n}\n```\n\n**Root cause:**\n\n`Filter::filterVar()` with `FILTER_SANITIZE_SPECIAL_CHARS` internally calls `filterSanitizeString()` which applies `strip_tags()` to remove HTML tags. However, `strip_tags()` only removes **actual HTML tag syntax** (e.g., ``) — it does NOT remove **HTML ","public_affected_ranges":["< 4.2.0-alpha"]},{"certainty":"source_listed","source_ids":["sr-ce72f58951cccbe9a9652404f6c77412"],"technology":"thorsten/phpmyfaq","known_exclusions":[],"conditions_summary":"### Summary\nA stored cross-site scripting (XSS) vulnerability in phpMyFAQ allows any unauthenticated user (or low-privileged registered user) to inject arbitrary JavaScript that executes in an administrator's browser when they review or edit a user-submitted FAQ entry. This leads to admin account takeover via session theft. The vulnerability exists because `html_entity_decode()` converts HTML entities into executable HTML after `strip_tags()` has already passed them through, and the admin template renders the content with Twig's `|raw` filter without any output sanitization.\n\n### Details\n**Vulnerable file:** `phpmyfaq/src/phpMyFAQ/Controller/Frontend/Api/FaqController.php` (lines 109-115)\n\n```php\n$answer = Filter::filterVar($data->answer, FILTER_SANITIZE_SPECIAL_CHARS);\nif ($this->configuration->get(item: 'main.enableWysiwygEditorFrontend')) {\n    $answer = trim(html_entity_decode((string) $answer));\n}\n```\n\n**Root cause:**\n\n`Filter::filterVar()` with `FILTER_SANITIZE_SPECIAL_CHARS` internally calls `filterSanitizeString()` which applies `strip_tags()` to remove HTML tags. However, `strip_tags()` only removes **actual HTML tag syntax** (e.g., ``) — it does NOT remove **HTML ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.2.0-alpha"]},{"certainty":"source_listed","source_ids":["sr-ce72f58951cccbe9a9652404f6c77412"],"technology":"phpmyfaq/phpmyfaq","known_exclusions":[],"conditions_summary":"### Summary\nA stored cross-site scripting (XSS) vulnerability in phpMyFAQ allows any unauthenticated user (or low-privileged registered user) to inject arbitrary JavaScript that executes in an administrator's browser when they review or edit a user-submitted FAQ entry. This leads to admin account takeover via session theft. The vulnerability exists because `html_entity_decode()` converts HTML entities into executable HTML after `strip_tags()` has already passed them through, and the admin template renders the content with Twig's `|raw` filter without any output sanitization.\n\n### Details\n**Vulnerable file:** `phpmyfaq/src/phpMyFAQ/Controller/Frontend/Api/FaqController.php` (lines 109-115)\n\n```php\n$answer = Filter::filterVar($data->answer, FILTER_SANITIZE_SPECIAL_CHARS);\nif ($this->configuration->get(item: 'main.enableWysiwygEditorFrontend')) {\n    $answer = trim(html_entity_decode((string) $answer));\n}\n```\n\n**Root cause:**\n\n`Filter::filterVar()` with `FILTER_SANITIZE_SPECIAL_CHARS` internally calls `filterSanitizeString()` which applies `strip_tags()` to remove HTML tags. However, `strip_tags()` only removes **actual HTML tag syntax** (e.g., ``) — it does NOT remove **HTML ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.2.0-alpha"]}],"null_published_at":"2026-11-08T15:11:49.410Z","source_updated_at":"2026-09-24T19:28:44.000Z","source_disclosed_at":"2026-09-24T19:28:43.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:30.990Z"},{"id":"NVI-00007096","kind":"vulnerability","title":"phpMyFAQ has Stored XSS in Admin FAQ Editor via HTML Entity Bypass in Frontend FAQ Submission","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-pgwp-vc7q-cvj3","CVE-2026-56736"],"plain_summary":"GitHub lists this reviewed advisory for thorsten/phpmyfaq, phpmyfaq/phpmyfaq. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-4d37118225191bbaef53c8ce8613b645"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 4.2.0-alpha for thorsten/phpmyfaq. Confirm the publisher’s latest guidance.","source_ids":["sr-ce72f58951cccbe9a9652404f6c77412"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 4.2.0-alpha for phpmyfaq/phpmyfaq. Confirm the publisher’s latest guidance.","source_ids":["sr-ce72f58951cccbe9a9652404f6c77412"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-24T19:28:44.000Z","value":"8.2 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-96bb82489400d3eae63c37b7e8c0328b"},{"kind":"CVSS","as_of":"2026-09-24T15:17:24.240Z","value":"8.2 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-9da1abfd6fcaad7e9d9bbe36552e2116"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.244%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.15676. Missing scores are unknown.","source_id":"sr-4d37118225191bbaef53c8ce8613b645"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-96bb82489400d3eae63c37b7e8c0328b","url":"https://github.com/advisories/GHSA-pgwp-vc7q-cvj3","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-pgwp-vc7q-cvj3","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:24:52.155Z"},{"id":"sr-ce72f58951cccbe9a9652404f6c77412","url":"https://github.com/advisories/GHSA-pgwp-vc7q-cvj3","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-pgwp-vc7q-cvj3","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.990Z"},{"id":"sr-9da1abfd6fcaad7e9d9bbe36552e2116","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56736","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-56736","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:39.943Z"},{"id":"sr-4d37118225191bbaef53c8ce8613b645","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-56736","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.383Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-96bb82489400d3eae63c37b7e8c0328b"],"technology":"thorsten/phpmyfaq","known_exclusions":[],"conditions_summary":"### Summary\nA stored cross-site scripting (XSS) vulnerability in phpMyFAQ allows any unauthenticated user (or low-privileged registered user) to inject arbitrary JavaScript that executes in an administrator's browser when they review or edit a user-submitted FAQ entry. This leads to admin account takeover via session theft. The vulnerability exists because `html_entity_decode()` converts HTML entities into executable HTML after `strip_tags()` has already passed them through, and the admin template renders the content with Twig's `|raw` filter without any output sanitization.\n\n### Details\n**Vulnerable file:** `phpmyfaq/src/phpMyFAQ/Controller/Frontend/Api/FaqController.php` (lines 109-115)\n\n```php\n$answer = Filter::filterVar($data->answer, FILTER_SANITIZE_SPECIAL_CHARS);\nif ($this->configuration->get(item: 'main.enableWysiwygEditorFrontend')) {\n    $answer = trim(html_entity_decode((string) $answer));\n}\n```\n\n**Root cause:**\n\n`Filter::filterVar()` with `FILTER_SANITIZE_SPECIAL_CHARS` internally calls `filterSanitizeString()` which applies `strip_tags()` to remove HTML tags. However, `strip_tags()` only removes **actual HTML tag syntax** (e.g., ``) — it does NOT remove **HTML ","public_affected_ranges":["< 4.2.0-alpha"]},{"certainty":"source_listed","source_ids":["sr-96bb82489400d3eae63c37b7e8c0328b"],"technology":"phpmyfaq/phpmyfaq","known_exclusions":[],"conditions_summary":"### Summary\nA stored cross-site scripting (XSS) vulnerability in phpMyFAQ allows any unauthenticated user (or low-privileged registered user) to inject arbitrary JavaScript that executes in an administrator's browser when they review or edit a user-submitted FAQ entry. This leads to admin account takeover via session theft. The vulnerability exists because `html_entity_decode()` converts HTML entities into executable HTML after `strip_tags()` has already passed them through, and the admin template renders the content with Twig's `|raw` filter without any output sanitization.\n\n### Details\n**Vulnerable file:** `phpmyfaq/src/phpMyFAQ/Controller/Frontend/Api/FaqController.php` (lines 109-115)\n\n```php\n$answer = Filter::filterVar($data->answer, FILTER_SANITIZE_SPECIAL_CHARS);\nif ($this->configuration->get(item: 'main.enableWysiwygEditorFrontend')) {\n    $answer = trim(html_entity_decode((string) $answer));\n}\n```\n\n**Root cause:**\n\n`Filter::filterVar()` with `FILTER_SANITIZE_SPECIAL_CHARS` internally calls `filterSanitizeString()` which applies `strip_tags()` to remove HTML tags. However, `strip_tags()` only removes **actual HTML tag syntax** (e.g., ``) — it does NOT remove **HTML ","public_affected_ranges":["< 4.2.0-alpha"]},{"certainty":"source_listed","source_ids":["sr-ce72f58951cccbe9a9652404f6c77412"],"technology":"thorsten/phpmyfaq","known_exclusions":[],"conditions_summary":"### Summary\nA stored cross-site scripting (XSS) vulnerability in phpMyFAQ allows any unauthenticated user (or low-privileged registered user) to inject arbitrary JavaScript that executes in an administrator's browser when they review or edit a user-submitted FAQ entry. This leads to admin account takeover via session theft. The vulnerability exists because `html_entity_decode()` converts HTML entities into executable HTML after `strip_tags()` has already passed them through, and the admin template renders the content with Twig's `|raw` filter without any output sanitization.\n\n### Details\n**Vulnerable file:** `phpmyfaq/src/phpMyFAQ/Controller/Frontend/Api/FaqController.php` (lines 109-115)\n\n```php\n$answer = Filter::filterVar($data->answer, FILTER_SANITIZE_SPECIAL_CHARS);\nif ($this->configuration->get(item: 'main.enableWysiwygEditorFrontend')) {\n    $answer = trim(html_entity_decode((string) $answer));\n}\n```\n\n**Root cause:**\n\n`Filter::filterVar()` with `FILTER_SANITIZE_SPECIAL_CHARS` internally calls `filterSanitizeString()` which applies `strip_tags()` to remove HTML tags. However, `strip_tags()` only removes **actual HTML tag syntax** (e.g., ``) — it does NOT remove **HTML ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.2.0-alpha"]},{"certainty":"source_listed","source_ids":["sr-ce72f58951cccbe9a9652404f6c77412"],"technology":"phpmyfaq/phpmyfaq","known_exclusions":[],"conditions_summary":"### Summary\nA stored cross-site scripting (XSS) vulnerability in phpMyFAQ allows any unauthenticated user (or low-privileged registered user) to inject arbitrary JavaScript that executes in an administrator's browser when they review or edit a user-submitted FAQ entry. This leads to admin account takeover via session theft. The vulnerability exists because `html_entity_decode()` converts HTML entities into executable HTML after `strip_tags()` has already passed them through, and the admin template renders the content with Twig's `|raw` filter without any output sanitization.\n\n### Details\n**Vulnerable file:** `phpmyfaq/src/phpMyFAQ/Controller/Frontend/Api/FaqController.php` (lines 109-115)\n\n```php\n$answer = Filter::filterVar($data->answer, FILTER_SANITIZE_SPECIAL_CHARS);\nif ($this->configuration->get(item: 'main.enableWysiwygEditorFrontend')) {\n    $answer = trim(html_entity_decode((string) $answer));\n}\n```\n\n**Root cause:**\n\n`Filter::filterVar()` with `FILTER_SANITIZE_SPECIAL_CHARS` internally calls `filterSanitizeString()` which applies `strip_tags()` to remove HTML tags. However, `strip_tags()` only removes **actual HTML tag syntax** (e.g., ``) — it does NOT remove **HTML ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.2.0-alpha"]}],"null_published_at":"2026-11-06T15:18:11.513Z","source_updated_at":"2026-09-24T19:28:44.000Z","source_disclosed_at":"2026-09-24T19:28:43.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:30.990Z"},{"id":"NVI-00007096","kind":"vulnerability","title":"phpMyFAQ has Stored XSS in Admin FAQ Editor via HTML Entity Bypass in Frontend FAQ Submission","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-pgwp-vc7q-cvj3","CVE-2026-56736"],"plain_summary":"GitHub lists this reviewed advisory for thorsten/phpmyfaq, phpmyfaq/phpmyfaq. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-4d37118225191bbaef53c8ce8613b645"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 4.2.0-alpha for thorsten/phpmyfaq. Confirm the publisher’s latest guidance.","source_ids":["sr-ce72f58951cccbe9a9652404f6c77412"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 4.2.0-alpha for phpmyfaq/phpmyfaq. Confirm the publisher’s latest guidance.","source_ids":["sr-ce72f58951cccbe9a9652404f6c77412"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-24T19:28:44.000Z","value":"8.2 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-96bb82489400d3eae63c37b7e8c0328b"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.244%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.15676. Missing scores are unknown.","source_id":"sr-4d37118225191bbaef53c8ce8613b645"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-96bb82489400d3eae63c37b7e8c0328b","url":"https://github.com/advisories/GHSA-pgwp-vc7q-cvj3","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-pgwp-vc7q-cvj3","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:24:52.155Z"},{"id":"sr-ce72f58951cccbe9a9652404f6c77412","url":"https://github.com/advisories/GHSA-pgwp-vc7q-cvj3","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-pgwp-vc7q-cvj3","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.990Z"},{"id":"sr-4d37118225191bbaef53c8ce8613b645","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-56736","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.383Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-96bb82489400d3eae63c37b7e8c0328b"],"technology":"thorsten/phpmyfaq","known_exclusions":[],"conditions_summary":"### Summary\nA stored cross-site scripting (XSS) vulnerability in phpMyFAQ allows any unauthenticated user (or low-privileged registered user) to inject arbitrary JavaScript that executes in an administrator's browser when they review or edit a user-submitted FAQ entry. This leads to admin account takeover via session theft. The vulnerability exists because `html_entity_decode()` converts HTML entities into executable HTML after `strip_tags()` has already passed them through, and the admin template renders the content with Twig's `|raw` filter without any output sanitization.\n\n### Details\n**Vulnerable file:** `phpmyfaq/src/phpMyFAQ/Controller/Frontend/Api/FaqController.php` (lines 109-115)\n\n```php\n$answer = Filter::filterVar($data->answer, FILTER_SANITIZE_SPECIAL_CHARS);\nif ($this->configuration->get(item: 'main.enableWysiwygEditorFrontend')) {\n    $answer = trim(html_entity_decode((string) $answer));\n}\n```\n\n**Root cause:**\n\n`Filter::filterVar()` with `FILTER_SANITIZE_SPECIAL_CHARS` internally calls `filterSanitizeString()` which applies `strip_tags()` to remove HTML tags. However, `strip_tags()` only removes **actual HTML tag syntax** (e.g., ``) — it does NOT remove **HTML ","public_affected_ranges":["< 4.2.0-alpha"]},{"certainty":"source_listed","source_ids":["sr-96bb82489400d3eae63c37b7e8c0328b"],"technology":"phpmyfaq/phpmyfaq","known_exclusions":[],"conditions_summary":"### Summary\nA stored cross-site scripting (XSS) vulnerability in phpMyFAQ allows any unauthenticated user (or low-privileged registered user) to inject arbitrary JavaScript that executes in an administrator's browser when they review or edit a user-submitted FAQ entry. This leads to admin account takeover via session theft. The vulnerability exists because `html_entity_decode()` converts HTML entities into executable HTML after `strip_tags()` has already passed them through, and the admin template renders the content with Twig's `|raw` filter without any output sanitization.\n\n### Details\n**Vulnerable file:** `phpmyfaq/src/phpMyFAQ/Controller/Frontend/Api/FaqController.php` (lines 109-115)\n\n```php\n$answer = Filter::filterVar($data->answer, FILTER_SANITIZE_SPECIAL_CHARS);\nif ($this->configuration->get(item: 'main.enableWysiwygEditorFrontend')) {\n    $answer = trim(html_entity_decode((string) $answer));\n}\n```\n\n**Root cause:**\n\n`Filter::filterVar()` with `FILTER_SANITIZE_SPECIAL_CHARS` internally calls `filterSanitizeString()` which applies `strip_tags()` to remove HTML tags. However, `strip_tags()` only removes **actual HTML tag syntax** (e.g., ``) — it does NOT remove **HTML ","public_affected_ranges":["< 4.2.0-alpha"]},{"certainty":"source_listed","source_ids":["sr-ce72f58951cccbe9a9652404f6c77412"],"technology":"thorsten/phpmyfaq","known_exclusions":[],"conditions_summary":"### Summary\nA stored cross-site scripting (XSS) vulnerability in phpMyFAQ allows any unauthenticated user (or low-privileged registered user) to inject arbitrary JavaScript that executes in an administrator's browser when they review or edit a user-submitted FAQ entry. This leads to admin account takeover via session theft. The vulnerability exists because `html_entity_decode()` converts HTML entities into executable HTML after `strip_tags()` has already passed them through, and the admin template renders the content with Twig's `|raw` filter without any output sanitization.\n\n### Details\n**Vulnerable file:** `phpmyfaq/src/phpMyFAQ/Controller/Frontend/Api/FaqController.php` (lines 109-115)\n\n```php\n$answer = Filter::filterVar($data->answer, FILTER_SANITIZE_SPECIAL_CHARS);\nif ($this->configuration->get(item: 'main.enableWysiwygEditorFrontend')) {\n    $answer = trim(html_entity_decode((string) $answer));\n}\n```\n\n**Root cause:**\n\n`Filter::filterVar()` with `FILTER_SANITIZE_SPECIAL_CHARS` internally calls `filterSanitizeString()` which applies `strip_tags()` to remove HTML tags. However, `strip_tags()` only removes **actual HTML tag syntax** (e.g., ``) — it does NOT remove **HTML ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.2.0-alpha"]},{"certainty":"source_listed","source_ids":["sr-ce72f58951cccbe9a9652404f6c77412"],"technology":"phpmyfaq/phpmyfaq","known_exclusions":[],"conditions_summary":"### Summary\nA stored cross-site scripting (XSS) vulnerability in phpMyFAQ allows any unauthenticated user (or low-privileged registered user) to inject arbitrary JavaScript that executes in an administrator's browser when they review or edit a user-submitted FAQ entry. This leads to admin account takeover via session theft. The vulnerability exists because `html_entity_decode()` converts HTML entities into executable HTML after `strip_tags()` has already passed them through, and the admin template renders the content with Twig's `|raw` filter without any output sanitization.\n\n### Details\n**Vulnerable file:** `phpmyfaq/src/phpMyFAQ/Controller/Frontend/Api/FaqController.php` (lines 109-115)\n\n```php\n$answer = Filter::filterVar($data->answer, FILTER_SANITIZE_SPECIAL_CHARS);\nif ($this->configuration->get(item: 'main.enableWysiwygEditorFrontend')) {\n    $answer = trim(html_entity_decode((string) $answer));\n}\n```\n\n**Root cause:**\n\n`Filter::filterVar()` with `FILTER_SANITIZE_SPECIAL_CHARS` internally calls `filterSanitizeString()` which applies `strip_tags()` to remove HTML tags. However, `strip_tags()` only removes **actual HTML tag syntax** (e.g., ``) — it does NOT remove **HTML ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.2.0-alpha"]}],"null_published_at":"2026-11-01T07:29:12.930Z","source_updated_at":"2026-09-24T19:28:44.000Z","source_disclosed_at":"2026-09-24T19:28:43.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:30.990Z"},{"id":"NVI-00007096","kind":"vulnerability","title":"phpMyFAQ has Stored XSS in Admin FAQ Editor via HTML Entity Bypass in Frontend FAQ Submission","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-pgwp-vc7q-cvj3","CVE-2026-56736"],"plain_summary":"OSV carries this publisher advisory for thorsten/phpmyfaq, phpmyfaq/phpmyfaq. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 4.2.0-alpha for thorsten/phpmyfaq. Confirm the publisher’s latest guidance.","source_ids":["sr-ce72f58951cccbe9a9652404f6c77412"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 4.2.0-alpha for phpmyfaq/phpmyfaq. Confirm the publisher’s latest guidance.","source_ids":["sr-ce72f58951cccbe9a9652404f6c77412"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-4d37118225191bbaef53c8ce8613b645"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.244%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.15676. Missing scores are unknown.","source_id":"sr-4d37118225191bbaef53c8ce8613b645"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-ce72f58951cccbe9a9652404f6c77412","url":"https://github.com/advisories/GHSA-pgwp-vc7q-cvj3","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-pgwp-vc7q-cvj3","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.990Z"},{"id":"sr-4d37118225191bbaef53c8ce8613b645","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-56736","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.383Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ce72f58951cccbe9a9652404f6c77412"],"technology":"thorsten/phpmyfaq","known_exclusions":[],"conditions_summary":"### Summary\nA stored cross-site scripting (XSS) vulnerability in phpMyFAQ allows any unauthenticated user (or low-privileged registered user) to inject arbitrary JavaScript that executes in an administrator's browser when they review or edit a user-submitted FAQ entry. This leads to admin account takeover via session theft. The vulnerability exists because `html_entity_decode()` converts HTML entities into executable HTML after `strip_tags()` has already passed them through, and the admin template renders the content with Twig's `|raw` filter without any output sanitization.\n\n### Details\n**Vulnerable file:** `phpmyfaq/src/phpMyFAQ/Controller/Frontend/Api/FaqController.php` (lines 109-115)\n\n```php\n$answer = Filter::filterVar($data->answer, FILTER_SANITIZE_SPECIAL_CHARS);\nif ($this->configuration->get(item: 'main.enableWysiwygEditorFrontend')) {\n    $answer = trim(html_entity_decode((string) $answer));\n}\n```\n\n**Root cause:**\n\n`Filter::filterVar()` with `FILTER_SANITIZE_SPECIAL_CHARS` internally calls `filterSanitizeString()` which applies `strip_tags()` to remove HTML tags. However, `strip_tags()` only removes **actual HTML tag syntax** (e.g., ``) — it does NOT remove **HTML ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.2.0-alpha"]},{"certainty":"source_listed","source_ids":["sr-ce72f58951cccbe9a9652404f6c77412"],"technology":"phpmyfaq/phpmyfaq","known_exclusions":[],"conditions_summary":"### Summary\nA stored cross-site scripting (XSS) vulnerability in phpMyFAQ allows any unauthenticated user (or low-privileged registered user) to inject arbitrary JavaScript that executes in an administrator's browser when they review or edit a user-submitted FAQ entry. This leads to admin account takeover via session theft. The vulnerability exists because `html_entity_decode()` converts HTML entities into executable HTML after `strip_tags()` has already passed them through, and the admin template renders the content with Twig's `|raw` filter without any output sanitization.\n\n### Details\n**Vulnerable file:** `phpmyfaq/src/phpMyFAQ/Controller/Frontend/Api/FaqController.php` (lines 109-115)\n\n```php\n$answer = Filter::filterVar($data->answer, FILTER_SANITIZE_SPECIAL_CHARS);\nif ($this->configuration->get(item: 'main.enableWysiwygEditorFrontend')) {\n    $answer = trim(html_entity_decode((string) $answer));\n}\n```\n\n**Root cause:**\n\n`Filter::filterVar()` with `FILTER_SANITIZE_SPECIAL_CHARS` internally calls `filterSanitizeString()` which applies `strip_tags()` to remove HTML tags. However, `strip_tags()` only removes **actual HTML tag syntax** (e.g., ``) — it does NOT remove **HTML ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.2.0-alpha"]}],"null_published_at":"2026-10-31T23:18:17.280Z","source_updated_at":"2026-09-24T19:45:04.984Z","source_disclosed_at":"2026-09-24T19:28:43.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:30.990Z"},{"id":"NVI-00007096","kind":"vulnerability","title":"phpMyFAQ has Stored XSS in Admin FAQ Editor via HTML Entity Bypass in Frontend FAQ Submission","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-pgwp-vc7q-cvj3","CVE-2026-56736"],"plain_summary":"OSV carries this publisher advisory for thorsten/phpmyfaq, phpmyfaq/phpmyfaq. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 4.2.0-alpha for thorsten/phpmyfaq. Confirm the publisher’s latest guidance.","source_ids":["sr-ce72f58951cccbe9a9652404f6c77412"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 4.2.0-alpha for phpmyfaq/phpmyfaq. Confirm the publisher’s latest guidance.","source_ids":["sr-ce72f58951cccbe9a9652404f6c77412"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-ce72f58951cccbe9a9652404f6c77412","url":"https://github.com/advisories/GHSA-pgwp-vc7q-cvj3","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-pgwp-vc7q-cvj3","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.990Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ce72f58951cccbe9a9652404f6c77412"],"technology":"thorsten/phpmyfaq","known_exclusions":[],"conditions_summary":"### Summary\nA stored cross-site scripting (XSS) vulnerability in phpMyFAQ allows any unauthenticated user (or low-privileged registered user) to inject arbitrary JavaScript that executes in an administrator's browser when they review or edit a user-submitted FAQ entry. This leads to admin account takeover via session theft. The vulnerability exists because `html_entity_decode()` converts HTML entities into executable HTML after `strip_tags()` has already passed them through, and the admin template renders the content with Twig's `|raw` filter without any output sanitization.\n\n### Details\n**Vulnerable file:** `phpmyfaq/src/phpMyFAQ/Controller/Frontend/Api/FaqController.php` (lines 109-115)\n\n```php\n$answer = Filter::filterVar($data->answer, FILTER_SANITIZE_SPECIAL_CHARS);\nif ($this->configuration->get(item: 'main.enableWysiwygEditorFrontend')) {\n    $answer = trim(html_entity_decode((string) $answer));\n}\n```\n\n**Root cause:**\n\n`Filter::filterVar()` with `FILTER_SANITIZE_SPECIAL_CHARS` internally calls `filterSanitizeString()` which applies `strip_tags()` to remove HTML tags. However, `strip_tags()` only removes **actual HTML tag syntax** (e.g., ``) — it does NOT remove **HTML ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.2.0-alpha"]},{"certainty":"source_listed","source_ids":["sr-ce72f58951cccbe9a9652404f6c77412"],"technology":"phpmyfaq/phpmyfaq","known_exclusions":[],"conditions_summary":"### Summary\nA stored cross-site scripting (XSS) vulnerability in phpMyFAQ allows any unauthenticated user (or low-privileged registered user) to inject arbitrary JavaScript that executes in an administrator's browser when they review or edit a user-submitted FAQ entry. This leads to admin account takeover via session theft. The vulnerability exists because `html_entity_decode()` converts HTML entities into executable HTML after `strip_tags()` has already passed them through, and the admin template renders the content with Twig's `|raw` filter without any output sanitization.\n\n### Details\n**Vulnerable file:** `phpmyfaq/src/phpMyFAQ/Controller/Frontend/Api/FaqController.php` (lines 109-115)\n\n```php\n$answer = Filter::filterVar($data->answer, FILTER_SANITIZE_SPECIAL_CHARS);\nif ($this->configuration->get(item: 'main.enableWysiwygEditorFrontend')) {\n    $answer = trim(html_entity_decode((string) $answer));\n}\n```\n\n**Root cause:**\n\n`Filter::filterVar()` with `FILTER_SANITIZE_SPECIAL_CHARS` internally calls `filterSanitizeString()` which applies `strip_tags()` to remove HTML tags. However, `strip_tags()` only removes **actual HTML tag syntax** (e.g., ``) — it does NOT remove **HTML ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.2.0-alpha"]}],"null_published_at":"2026-10-31T22:13:14.311Z","source_updated_at":"2026-09-24T19:45:04.984Z","source_disclosed_at":"2026-09-24T19:28:43.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:42:30.990Z"}],"next_cursor":null,"snapshot_revision":"42594"}