{"items":[{"id":"NVI-00005029","kind":"vulnerability","title":"AVideo vulnerable to Stored XSS via html_entity_decode() Reversing xss_esc() Sanitization in Channel About Field","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-ghx5-7jjg-q2j7","CVE-2026-33683"],"plain_summary":"OSV carries this publisher advisory for wwbn/avideo. This is an aggregated source copy; consult the original publisher and compare update dates.","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-14f37a47df687446438db207ee3f3267"],"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":"CVSS","as_of":"2026-06-17T10:37:55.303Z","value":"5.4 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-6c7cfd7bb7b0799a69cf48bde7d434fd"},{"kind":"CVSS","as_of":"2026-06-17T10:37:55.303Z","value":"5.4 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-6c7cfd7bb7b0799a69cf48bde7d434fd"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.180%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.07527. Missing scores are unknown.","source_id":"sr-14f37a47df687446438db207ee3f3267"}],"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-7e27c842e0db57c7a886c26d6022fc35","url":"https://github.com/advisories/GHSA-ghx5-7jjg-q2j7","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-ghx5-7jjg-q2j7","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.418Z"},{"id":"sr-6c7cfd7bb7b0799a69cf48bde7d434fd","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33683","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-33683","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:22:50.140Z"},{"id":"sr-14f37a47df687446438db207ee3f3267","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-2026-33683","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.273Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-7e27c842e0db57c7a886c26d6022fc35"],"technology":"wwbn/avideo","known_exclusions":[],"conditions_summary":"## Summary\n\nA sanitization order-of-operations flaw in the user profile \"about\" field allows any registered user to inject arbitrary JavaScript that executes when other users visit their channel page. The `xss_esc()` function entity-encodes input before `strip_specific_tags()` can match dangerous HTML tags, and `html_entity_decode()` on output reverses the encoding, restoring the raw malicious HTML.\n\n## Details\n\n**Input sanitization** in `objects/user.php:156`:\n\n```php\npublic function setAbout($about)\n{\n    $this->about = strip_specific_tags(xss_esc($about));\n}\n```\n\nThe call order is `strip_specific_tags(xss_esc($about))`. The inner `xss_esc()` function (`objects/functionsSecurity.php:233`) calls `htmlspecialchars()`:\n\n```php\n$result = @htmlspecialchars($text, ENT_QUOTES, 'UTF-8');\n```\n\nThis encodes `alert(1)` to `<script>alert(1)</script>`.\n\nThen `strip_specific_tags()` (`objects/functions.php:6623-6636`) runs regex patterns to remove dangerous tags:\n\n```php\n$string = preg_replace('/]*>(.*?)/s', $replacement, $string);\n```\n\nBut the regex looks for literal `` — it can never match the entity-encoded `<script>","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 26.0"]}],"null_published_at":"2026-11-03T17:49:18.485Z","source_updated_at":"2026-03-25T20:26:19.786Z","source_disclosed_at":"2026-03-25T19:52:22.000Z","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":"2026-10-31T21:42:20.418Z"},{"id":"NVI-00005029","kind":"vulnerability","title":"AVideo vulnerable to Stored XSS via html_entity_decode() Reversing xss_esc() Sanitization in Channel About Field","revision":3,"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-ghx5-7jjg-q2j7","CVE-2026-33683"],"plain_summary":"OSV carries this publisher advisory for wwbn/avideo. This is an aggregated source copy; consult the original publisher and compare update dates.","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-1e8a09ed415eceb885fbe486f3a840e2"],"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":"CVSS","as_of":"2026-06-17T10:37:55.303Z","value":"5.4 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-6c7cfd7bb7b0799a69cf48bde7d434fd"},{"kind":"CVSS","as_of":"2026-06-17T10:37:55.303Z","value":"5.4 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-6c7cfd7bb7b0799a69cf48bde7d434fd"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.180%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.07528. Missing scores are unknown.","source_id":"sr-1e8a09ed415eceb885fbe486f3a840e2"}],"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-7e27c842e0db57c7a886c26d6022fc35","url":"https://github.com/advisories/GHSA-ghx5-7jjg-q2j7","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-ghx5-7jjg-q2j7","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.418Z"},{"id":"sr-6c7cfd7bb7b0799a69cf48bde7d434fd","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33683","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-33683","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:22:50.140Z"},{"id":"sr-1e8a09ed415eceb885fbe486f3a840e2","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-2026-33683","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.377Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-7e27c842e0db57c7a886c26d6022fc35"],"technology":"wwbn/avideo","known_exclusions":[],"conditions_summary":"## Summary\n\nA sanitization order-of-operations flaw in the user profile \"about\" field allows any registered user to inject arbitrary JavaScript that executes when other users visit their channel page. The `xss_esc()` function entity-encodes input before `strip_specific_tags()` can match dangerous HTML tags, and `html_entity_decode()` on output reverses the encoding, restoring the raw malicious HTML.\n\n## Details\n\n**Input sanitization** in `objects/user.php:156`:\n\n```php\npublic function setAbout($about)\n{\n    $this->about = strip_specific_tags(xss_esc($about));\n}\n```\n\nThe call order is `strip_specific_tags(xss_esc($about))`. The inner `xss_esc()` function (`objects/functionsSecurity.php:233`) calls `htmlspecialchars()`:\n\n```php\n$result = @htmlspecialchars($text, ENT_QUOTES, 'UTF-8');\n```\n\nThis encodes `alert(1)` to `<script>alert(1)</script>`.\n\nThen `strip_specific_tags()` (`objects/functions.php:6623-6636`) runs regex patterns to remove dangerous tags:\n\n```php\n$string = preg_replace('/]*>(.*?)/s', $replacement, $string);\n```\n\nBut the regex looks for literal `` — it can never match the entity-encoded `<script>","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 26.0"]}],"null_published_at":"2026-11-02T20:21:10.320Z","source_updated_at":"2026-03-25T20:26:19.786Z","source_disclosed_at":"2026-03-25T19:52:22.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:20.418Z"},{"id":"NVI-00005029","kind":"vulnerability","title":"AVideo vulnerable to Stored XSS via html_entity_decode() Reversing xss_esc() Sanitization in Channel About Field","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-ghx5-7jjg-q2j7","CVE-2026-33683"],"plain_summary":"OSV carries this publisher advisory for wwbn/avideo. This is an aggregated source copy; consult the original publisher and compare update dates.","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-1e8a09ed415eceb885fbe486f3a840e2"],"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":"0.180%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.07528. Missing scores are unknown.","source_id":"sr-1e8a09ed415eceb885fbe486f3a840e2"}],"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-7e27c842e0db57c7a886c26d6022fc35","url":"https://github.com/advisories/GHSA-ghx5-7jjg-q2j7","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-ghx5-7jjg-q2j7","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.418Z"},{"id":"sr-1e8a09ed415eceb885fbe486f3a840e2","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-2026-33683","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.377Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-7e27c842e0db57c7a886c26d6022fc35"],"technology":"wwbn/avideo","known_exclusions":[],"conditions_summary":"## Summary\n\nA sanitization order-of-operations flaw in the user profile \"about\" field allows any registered user to inject arbitrary JavaScript that executes when other users visit their channel page. The `xss_esc()` function entity-encodes input before `strip_specific_tags()` can match dangerous HTML tags, and `html_entity_decode()` on output reverses the encoding, restoring the raw malicious HTML.\n\n## Details\n\n**Input sanitization** in `objects/user.php:156`:\n\n```php\npublic function setAbout($about)\n{\n    $this->about = strip_specific_tags(xss_esc($about));\n}\n```\n\nThe call order is `strip_specific_tags(xss_esc($about))`. The inner `xss_esc()` function (`objects/functionsSecurity.php:233`) calls `htmlspecialchars()`:\n\n```php\n$result = @htmlspecialchars($text, ENT_QUOTES, 'UTF-8');\n```\n\nThis encodes `alert(1)` to `<script>alert(1)</script>`.\n\nThen `strip_specific_tags()` (`objects/functions.php:6623-6636`) runs regex patterns to remove dangerous tags:\n\n```php\n$string = preg_replace('/]*>(.*?)/s', $replacement, $string);\n```\n\nBut the regex looks for literal `` — it can never match the entity-encoded `<script>","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 26.0"]}],"null_published_at":"2026-10-31T22:27:09.606Z","source_updated_at":"2026-03-25T20:26:19.786Z","source_disclosed_at":"2026-03-25T19:52:22.000Z","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":"2026-10-31T21:42:20.418Z"},{"id":"NVI-00005029","kind":"vulnerability","title":"AVideo vulnerable to Stored XSS via html_entity_decode() Reversing xss_esc() Sanitization in Channel About Field","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-ghx5-7jjg-q2j7","CVE-2026-33683"],"plain_summary":"OSV carries this publisher advisory for wwbn/avideo. This is an aggregated source copy; consult the original publisher and compare update dates.","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-7e27c842e0db57c7a886c26d6022fc35"],"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":[],"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-7e27c842e0db57c7a886c26d6022fc35","url":"https://github.com/advisories/GHSA-ghx5-7jjg-q2j7","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-ghx5-7jjg-q2j7","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.418Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-7e27c842e0db57c7a886c26d6022fc35"],"technology":"wwbn/avideo","known_exclusions":[],"conditions_summary":"## Summary\n\nA sanitization order-of-operations flaw in the user profile \"about\" field allows any registered user to inject arbitrary JavaScript that executes when other users visit their channel page. The `xss_esc()` function entity-encodes input before `strip_specific_tags()` can match dangerous HTML tags, and `html_entity_decode()` on output reverses the encoding, restoring the raw malicious HTML.\n\n## Details\n\n**Input sanitization** in `objects/user.php:156`:\n\n```php\npublic function setAbout($about)\n{\n    $this->about = strip_specific_tags(xss_esc($about));\n}\n```\n\nThe call order is `strip_specific_tags(xss_esc($about))`. The inner `xss_esc()` function (`objects/functionsSecurity.php:233`) calls `htmlspecialchars()`:\n\n```php\n$result = @htmlspecialchars($text, ENT_QUOTES, 'UTF-8');\n```\n\nThis encodes `alert(1)` to `<script>alert(1)</script>`.\n\nThen `strip_specific_tags()` (`objects/functions.php:6623-6636`) runs regex patterns to remove dangerous tags:\n\n```php\n$string = preg_replace('/]*>(.*?)/s', $replacement, $string);\n```\n\nBut the regex looks for literal `` — it can never match the entity-encoded `<script>","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 26.0"]}],"null_published_at":"2026-10-31T22:12:57.152Z","source_updated_at":"2026-03-25T20:26:19.786Z","source_disclosed_at":"2026-03-25T19:52:22.000Z","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":"2026-10-31T21:42:20.418Z"}],"next_cursor":null,"snapshot_revision":"42594"}