{"items":[{"id":"NVI-00003405","kind":"vulnerability","title":"Craft CMS: DOM XSS via GitHub issue title in CraftSupport widget","revision":6,"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-24x4-j6x9-rfw5","CVE-2026-55790"],"plain_summary":"GitHub lists this reviewed advisory for craftcms/cms, craftcms/cms. 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-0600eb737e743f4f6c286e1259725a2a"],"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 5.9.23 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3d4023a17c312eee5f2dc9cd9a78f42a"],"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 4.17.16 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3d4023a17c312eee5f2dc9cd9a78f42a"],"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":"2026-10-25T21:10:00.770Z","value":"7.4 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-678e0e5f2464067ca8ad0c7b71456cf3"},{"kind":"EPSS","as_of":"2026-11-05T12:03:04.000Z","value":"0.461%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.40108. Missing scores are unknown.","source_id":"sr-0600eb737e743f4f6c286e1259725a2a"}],"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-30083acd7b1b817b7cd26163262f95a0","url":"https://github.com/advisories/GHSA-24x4-j6x9-rfw5","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-24x4-j6x9-rfw5","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T23:36:01.427Z"},{"id":"sr-3d4023a17c312eee5f2dc9cd9a78f42a","url":"https://github.com/advisories/GHSA-24x4-j6x9-rfw5","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-24x4-j6x9-rfw5","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:40.009Z"},{"id":"sr-678e0e5f2464067ca8ad0c7b71456cf3","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55790","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-55790","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:39.943Z"},{"id":"sr-0600eb737e743f4f6c286e1259725a2a","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-2026-55790","publisher":"FIRST EPSS","observed_at":"2026-11-06T07:17:46.387Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-30083acd7b1b817b7cd26163262f95a0"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"## Summary\n\nAn attacker with only a GitHub account can plant a JavaScript payload in a `craftcms/cms` issue title. When a Craft admin uses the CraftSupport widget’s \"Give feedback\" screen and types a search term that returns the poisoned issue, the payload executes in the admin’s control panel session.\n\nNo control panel account or elevated privileges are required on the attacker’s side.\n\n## Preconditions\n\n- Attacker has a GitHub account (no control panel access needed).\n- Victim is an administrator, and you have the CraftSupport widget on the dashboard.\n- Victim uses the \"Give feedback\" screen and types a search term that returns the poisoned issue.\n\n## Root cause\n\n`CraftSupportWidget.js` lines 382-392:\n\n```js\n$('', {\n  href: this.getSearchResultUrl(results[i]),\n  target: '_blank',\n  html:\n    '' +\n    this.getSearchResultText(results[i]),\n})\n```\n\n`FeedbackScreen.getSearchResultText` (line 669-671) returns `result.title` verbatim from the GitHub API response. The jQuery `html:` option sets the element’s `innerHTML`, so a title containing `` executes immediately on render.\n\nT","public_affected_ranges":[">= 5.0.0-RC1, < 5.9.22"]},{"certainty":"source_listed","source_ids":["sr-30083acd7b1b817b7cd26163262f95a0"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"## Summary\n\nAn attacker with only a GitHub account can plant a JavaScript payload in a `craftcms/cms` issue title. When a Craft admin uses the CraftSupport widget’s \"Give feedback\" screen and types a search term that returns the poisoned issue, the payload executes in the admin’s control panel session.\n\nNo control panel account or elevated privileges are required on the attacker’s side.\n\n## Preconditions\n\n- Attacker has a GitHub account (no control panel access needed).\n- Victim is an administrator, and you have the CraftSupport widget on the dashboard.\n- Victim uses the \"Give feedback\" screen and types a search term that returns the poisoned issue.\n\n## Root cause\n\n`CraftSupportWidget.js` lines 382-392:\n\n```js\n$('', {\n  href: this.getSearchResultUrl(results[i]),\n  target: '_blank',\n  html:\n    '' +\n    this.getSearchResultText(results[i]),\n})\n```\n\n`FeedbackScreen.getSearchResultText` (line 669-671) returns `result.title` verbatim from the GitHub API response. The jQuery `html:` option sets the element’s `innerHTML`, so a title containing `` executes immediately on render.\n\nT","public_affected_ranges":[">= 4.0.0-RC1, < 4.17.15"]},{"certainty":"source_listed","source_ids":["sr-3d4023a17c312eee5f2dc9cd9a78f42a"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"## Summary\n\nAn attacker with only a GitHub account can plant a JavaScript payload in a `craftcms/cms` issue title. When a Craft admin uses the CraftSupport widget’s \"Give feedback\" screen and types a search term that returns the poisoned issue, the payload executes in the admin’s control panel session.\n\nNo control panel account or elevated privileges are required on the attacker’s side.\n\n## Preconditions\n\n- Attacker has a GitHub account (no control panel access needed).\n- Victim is an administrator, and you have the CraftSupport widget on the dashboard.\n- Victim uses the \"Give feedback\" screen and types a search term that returns the poisoned issue.\n\n## Root cause\n\n`CraftSupportWidget.js` lines 382-392:\n\n```js\n$('', {\n  href: this.getSearchResultUrl(results[i]),\n  target: '_blank',\n  html:\n    '' +\n    this.getSearchResultText(results[i]),\n})\n```\n\n`FeedbackScreen.getSearchResultText` (line 669-671) returns `result.title` verbatim from the GitHub API response. The jQuery `html:` option sets the element’s `innerHTML`, so a title containing `` executes immediately on render.\n\nT","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-RC1; fixed 5.9.23"]},{"certainty":"source_listed","source_ids":["sr-3d4023a17c312eee5f2dc9cd9a78f42a"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"## Summary\n\nAn attacker with only a GitHub account can plant a JavaScript payload in a `craftcms/cms` issue title. When a Craft admin uses the CraftSupport widget’s \"Give feedback\" screen and types a search term that returns the poisoned issue, the payload executes in the admin’s control panel session.\n\nNo control panel account or elevated privileges are required on the attacker’s side.\n\n## Preconditions\n\n- Attacker has a GitHub account (no control panel access needed).\n- Victim is an administrator, and you have the CraftSupport widget on the dashboard.\n- Victim uses the \"Give feedback\" screen and types a search term that returns the poisoned issue.\n\n## Root cause\n\n`CraftSupportWidget.js` lines 382-392:\n\n```js\n$('', {\n  href: this.getSearchResultUrl(results[i]),\n  target: '_blank',\n  html:\n    '' +\n    this.getSearchResultText(results[i]),\n})\n```\n\n`FeedbackScreen.getSearchResultText` (line 669-671) returns `result.title` verbatim from the GitHub API response. The jQuery `html:` option sets the element’s `innerHTML`, so a title containing `` executes immediately on render.\n\nT","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0-RC1; fixed 4.17.16"]}],"null_published_at":"2026-11-07T07:07:46.833Z","source_updated_at":"2026-07-06T21:29:17.000Z","source_disclosed_at":"2026-07-06T21:29:16.000Z","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":"2026-10-31T21:41:40.009Z"},{"id":"NVI-00003405","kind":"vulnerability","title":"Craft CMS: DOM XSS via GitHub issue title in CraftSupport widget","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-24x4-j6x9-rfw5","CVE-2026-55790"],"plain_summary":"GitHub lists this reviewed advisory for craftcms/cms, craftcms/cms. 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-0199807df37f2a536e784a0c8f0b40f0"],"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 5.9.23 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3d4023a17c312eee5f2dc9cd9a78f42a"],"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 4.17.16 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3d4023a17c312eee5f2dc9cd9a78f42a"],"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":"2026-10-25T21:10:00.770Z","value":"7.4 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-678e0e5f2464067ca8ad0c7b71456cf3"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.461%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.39957. Missing scores are unknown.","source_id":"sr-0199807df37f2a536e784a0c8f0b40f0"}],"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-30083acd7b1b817b7cd26163262f95a0","url":"https://github.com/advisories/GHSA-24x4-j6x9-rfw5","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-24x4-j6x9-rfw5","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T23:36:01.427Z"},{"id":"sr-3d4023a17c312eee5f2dc9cd9a78f42a","url":"https://github.com/advisories/GHSA-24x4-j6x9-rfw5","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-24x4-j6x9-rfw5","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:40.009Z"},{"id":"sr-678e0e5f2464067ca8ad0c7b71456cf3","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55790","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-55790","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:39.943Z"},{"id":"sr-0199807df37f2a536e784a0c8f0b40f0","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-2026-55790","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.858Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-30083acd7b1b817b7cd26163262f95a0"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"## Summary\n\nAn attacker with only a GitHub account can plant a JavaScript payload in a `craftcms/cms` issue title. When a Craft admin uses the CraftSupport widget’s \"Give feedback\" screen and types a search term that returns the poisoned issue, the payload executes in the admin’s control panel session.\n\nNo control panel account or elevated privileges are required on the attacker’s side.\n\n## Preconditions\n\n- Attacker has a GitHub account (no control panel access needed).\n- Victim is an administrator, and you have the CraftSupport widget on the dashboard.\n- Victim uses the \"Give feedback\" screen and types a search term that returns the poisoned issue.\n\n## Root cause\n\n`CraftSupportWidget.js` lines 382-392:\n\n```js\n$('', {\n  href: this.getSearchResultUrl(results[i]),\n  target: '_blank',\n  html:\n    '' +\n    this.getSearchResultText(results[i]),\n})\n```\n\n`FeedbackScreen.getSearchResultText` (line 669-671) returns `result.title` verbatim from the GitHub API response. The jQuery `html:` option sets the element’s `innerHTML`, so a title containing `` executes immediately on render.\n\nT","public_affected_ranges":[">= 5.0.0-RC1, < 5.9.22"]},{"certainty":"source_listed","source_ids":["sr-30083acd7b1b817b7cd26163262f95a0"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"## Summary\n\nAn attacker with only a GitHub account can plant a JavaScript payload in a `craftcms/cms` issue title. When a Craft admin uses the CraftSupport widget’s \"Give feedback\" screen and types a search term that returns the poisoned issue, the payload executes in the admin’s control panel session.\n\nNo control panel account or elevated privileges are required on the attacker’s side.\n\n## Preconditions\n\n- Attacker has a GitHub account (no control panel access needed).\n- Victim is an administrator, and you have the CraftSupport widget on the dashboard.\n- Victim uses the \"Give feedback\" screen and types a search term that returns the poisoned issue.\n\n## Root cause\n\n`CraftSupportWidget.js` lines 382-392:\n\n```js\n$('', {\n  href: this.getSearchResultUrl(results[i]),\n  target: '_blank',\n  html:\n    '' +\n    this.getSearchResultText(results[i]),\n})\n```\n\n`FeedbackScreen.getSearchResultText` (line 669-671) returns `result.title` verbatim from the GitHub API response. The jQuery `html:` option sets the element’s `innerHTML`, so a title containing `` executes immediately on render.\n\nT","public_affected_ranges":[">= 4.0.0-RC1, < 4.17.15"]},{"certainty":"source_listed","source_ids":["sr-3d4023a17c312eee5f2dc9cd9a78f42a"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"## Summary\n\nAn attacker with only a GitHub account can plant a JavaScript payload in a `craftcms/cms` issue title. When a Craft admin uses the CraftSupport widget’s \"Give feedback\" screen and types a search term that returns the poisoned issue, the payload executes in the admin’s control panel session.\n\nNo control panel account or elevated privileges are required on the attacker’s side.\n\n## Preconditions\n\n- Attacker has a GitHub account (no control panel access needed).\n- Victim is an administrator, and you have the CraftSupport widget on the dashboard.\n- Victim uses the \"Give feedback\" screen and types a search term that returns the poisoned issue.\n\n## Root cause\n\n`CraftSupportWidget.js` lines 382-392:\n\n```js\n$('', {\n  href: this.getSearchResultUrl(results[i]),\n  target: '_blank',\n  html:\n    '' +\n    this.getSearchResultText(results[i]),\n})\n```\n\n`FeedbackScreen.getSearchResultText` (line 669-671) returns `result.title` verbatim from the GitHub API response. The jQuery `html:` option sets the element’s `innerHTML`, so a title containing `` executes immediately on render.\n\nT","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-RC1; fixed 5.9.23"]},{"certainty":"source_listed","source_ids":["sr-3d4023a17c312eee5f2dc9cd9a78f42a"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"## Summary\n\nAn attacker with only a GitHub account can plant a JavaScript payload in a `craftcms/cms` issue title. When a Craft admin uses the CraftSupport widget’s \"Give feedback\" screen and types a search term that returns the poisoned issue, the payload executes in the admin’s control panel session.\n\nNo control panel account or elevated privileges are required on the attacker’s side.\n\n## Preconditions\n\n- Attacker has a GitHub account (no control panel access needed).\n- Victim is an administrator, and you have the CraftSupport widget on the dashboard.\n- Victim uses the \"Give feedback\" screen and types a search term that returns the poisoned issue.\n\n## Root cause\n\n`CraftSupportWidget.js` lines 382-392:\n\n```js\n$('', {\n  href: this.getSearchResultUrl(results[i]),\n  target: '_blank',\n  html:\n    '' +\n    this.getSearchResultText(results[i]),\n})\n```\n\n`FeedbackScreen.getSearchResultText` (line 669-671) returns `result.title` verbatim from the GitHub API response. The jQuery `html:` option sets the element’s `innerHTML`, so a title containing `` executes immediately on render.\n\nT","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0-RC1; fixed 4.17.16"]}],"null_published_at":"2026-11-05T19:10:21.427Z","source_updated_at":"2026-07-06T21:29:17.000Z","source_disclosed_at":"2026-07-06T21:29:16.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:40.009Z"},{"id":"NVI-00003405","kind":"vulnerability","title":"Craft CMS: DOM XSS via GitHub issue title in CraftSupport widget","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-24x4-j6x9-rfw5","CVE-2026-55790"],"plain_summary":"OSV carries this publisher advisory for craftcms/cms, craftcms/cms. 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 5.9.23 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3d4023a17c312eee5f2dc9cd9a78f42a"],"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 4.17.16 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3d4023a17c312eee5f2dc9cd9a78f42a"],"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-0199807df37f2a536e784a0c8f0b40f0"],"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":"2026-10-25T21:10:00.770Z","value":"7.4 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-678e0e5f2464067ca8ad0c7b71456cf3"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.461%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.39957. Missing scores are unknown.","source_id":"sr-0199807df37f2a536e784a0c8f0b40f0"}],"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-3d4023a17c312eee5f2dc9cd9a78f42a","url":"https://github.com/advisories/GHSA-24x4-j6x9-rfw5","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-24x4-j6x9-rfw5","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:40.009Z"},{"id":"sr-678e0e5f2464067ca8ad0c7b71456cf3","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55790","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-55790","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:39.943Z"},{"id":"sr-0199807df37f2a536e784a0c8f0b40f0","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-2026-55790","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.858Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3d4023a17c312eee5f2dc9cd9a78f42a"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"## Summary\n\nAn attacker with only a GitHub account can plant a JavaScript payload in a `craftcms/cms` issue title. When a Craft admin uses the CraftSupport widget’s \"Give feedback\" screen and types a search term that returns the poisoned issue, the payload executes in the admin’s control panel session.\n\nNo control panel account or elevated privileges are required on the attacker’s side.\n\n## Preconditions\n\n- Attacker has a GitHub account (no control panel access needed).\n- Victim is an administrator, and you have the CraftSupport widget on the dashboard.\n- Victim uses the \"Give feedback\" screen and types a search term that returns the poisoned issue.\n\n## Root cause\n\n`CraftSupportWidget.js` lines 382-392:\n\n```js\n$('', {\n  href: this.getSearchResultUrl(results[i]),\n  target: '_blank',\n  html:\n    '' +\n    this.getSearchResultText(results[i]),\n})\n```\n\n`FeedbackScreen.getSearchResultText` (line 669-671) returns `result.title` verbatim from the GitHub API response. The jQuery `html:` option sets the element’s `innerHTML`, so a title containing `` executes immediately on render.\n\nT","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-RC1; fixed 5.9.23"]},{"certainty":"source_listed","source_ids":["sr-3d4023a17c312eee5f2dc9cd9a78f42a"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"## Summary\n\nAn attacker with only a GitHub account can plant a JavaScript payload in a `craftcms/cms` issue title. When a Craft admin uses the CraftSupport widget’s \"Give feedback\" screen and types a search term that returns the poisoned issue, the payload executes in the admin’s control panel session.\n\nNo control panel account or elevated privileges are required on the attacker’s side.\n\n## Preconditions\n\n- Attacker has a GitHub account (no control panel access needed).\n- Victim is an administrator, and you have the CraftSupport widget on the dashboard.\n- Victim uses the \"Give feedback\" screen and types a search term that returns the poisoned issue.\n\n## Root cause\n\n`CraftSupportWidget.js` lines 382-392:\n\n```js\n$('', {\n  href: this.getSearchResultUrl(results[i]),\n  target: '_blank',\n  html:\n    '' +\n    this.getSearchResultText(results[i]),\n})\n```\n\n`FeedbackScreen.getSearchResultText` (line 669-671) returns `result.title` verbatim from the GitHub API response. The jQuery `html:` option sets the element’s `innerHTML`, so a title containing `` executes immediately on render.\n\nT","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0-RC1; fixed 4.17.16"]}],"null_published_at":"2026-11-03T17:49:14.976Z","source_updated_at":"2026-09-10T03:51:09.883Z","source_disclosed_at":"2026-07-06T21:29:16.000Z","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":"2026-10-31T21:41:40.009Z"},{"id":"NVI-00003405","kind":"vulnerability","title":"Craft CMS: DOM XSS via GitHub issue title in CraftSupport widget","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-24x4-j6x9-rfw5","CVE-2026-55790"],"plain_summary":"OSV carries this publisher advisory for craftcms/cms, craftcms/cms. 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 5.9.23 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3d4023a17c312eee5f2dc9cd9a78f42a"],"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 4.17.16 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3d4023a17c312eee5f2dc9cd9a78f42a"],"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-114ac14e8264d354dfa5c72d07d55220"],"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":"2026-10-25T21:10:00.770Z","value":"7.4 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-678e0e5f2464067ca8ad0c7b71456cf3"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.461%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.39979. Missing scores are unknown.","source_id":"sr-114ac14e8264d354dfa5c72d07d55220"}],"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-3d4023a17c312eee5f2dc9cd9a78f42a","url":"https://github.com/advisories/GHSA-24x4-j6x9-rfw5","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-24x4-j6x9-rfw5","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:40.009Z"},{"id":"sr-678e0e5f2464067ca8ad0c7b71456cf3","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55790","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-55790","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:39.943Z"},{"id":"sr-114ac14e8264d354dfa5c72d07d55220","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-2026-55790","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.383Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3d4023a17c312eee5f2dc9cd9a78f42a"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"## Summary\n\nAn attacker with only a GitHub account can plant a JavaScript payload in a `craftcms/cms` issue title. When a Craft admin uses the CraftSupport widget’s \"Give feedback\" screen and types a search term that returns the poisoned issue, the payload executes in the admin’s control panel session.\n\nNo control panel account or elevated privileges are required on the attacker’s side.\n\n## Preconditions\n\n- Attacker has a GitHub account (no control panel access needed).\n- Victim is an administrator, and you have the CraftSupport widget on the dashboard.\n- Victim uses the \"Give feedback\" screen and types a search term that returns the poisoned issue.\n\n## Root cause\n\n`CraftSupportWidget.js` lines 382-392:\n\n```js\n$('', {\n  href: this.getSearchResultUrl(results[i]),\n  target: '_blank',\n  html:\n    '' +\n    this.getSearchResultText(results[i]),\n})\n```\n\n`FeedbackScreen.getSearchResultText` (line 669-671) returns `result.title` verbatim from the GitHub API response. The jQuery `html:` option sets the element’s `innerHTML`, so a title containing `` executes immediately on render.\n\nT","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-RC1; fixed 5.9.23"]},{"certainty":"source_listed","source_ids":["sr-3d4023a17c312eee5f2dc9cd9a78f42a"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"## Summary\n\nAn attacker with only a GitHub account can plant a JavaScript payload in a `craftcms/cms` issue title. When a Craft admin uses the CraftSupport widget’s \"Give feedback\" screen and types a search term that returns the poisoned issue, the payload executes in the admin’s control panel session.\n\nNo control panel account or elevated privileges are required on the attacker’s side.\n\n## Preconditions\n\n- Attacker has a GitHub account (no control panel access needed).\n- Victim is an administrator, and you have the CraftSupport widget on the dashboard.\n- Victim uses the \"Give feedback\" screen and types a search term that returns the poisoned issue.\n\n## Root cause\n\n`CraftSupportWidget.js` lines 382-392:\n\n```js\n$('', {\n  href: this.getSearchResultUrl(results[i]),\n  target: '_blank',\n  html:\n    '' +\n    this.getSearchResultText(results[i]),\n})\n```\n\n`FeedbackScreen.getSearchResultText` (line 669-671) returns `result.title` verbatim from the GitHub API response. The jQuery `html:` option sets the element’s `innerHTML`, so a title containing `` executes immediately on render.\n\nT","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0-RC1; fixed 4.17.16"]}],"null_published_at":"2026-11-02T20:21:10.307Z","source_updated_at":"2026-09-10T03:51:09.883Z","source_disclosed_at":"2026-07-06T21:29:16.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:40.009Z"},{"id":"NVI-00003405","kind":"vulnerability","title":"Craft CMS: DOM XSS via GitHub issue title in CraftSupport widget","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-24x4-j6x9-rfw5","CVE-2026-55790"],"plain_summary":"OSV carries this publisher advisory for craftcms/cms, craftcms/cms. 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 5.9.23 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3d4023a17c312eee5f2dc9cd9a78f42a"],"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 4.17.16 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3d4023a17c312eee5f2dc9cd9a78f42a"],"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-114ac14e8264d354dfa5c72d07d55220"],"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":"0.461%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.39979. Missing scores are unknown.","source_id":"sr-114ac14e8264d354dfa5c72d07d55220"}],"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-3d4023a17c312eee5f2dc9cd9a78f42a","url":"https://github.com/advisories/GHSA-24x4-j6x9-rfw5","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-24x4-j6x9-rfw5","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:40.009Z"},{"id":"sr-114ac14e8264d354dfa5c72d07d55220","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-2026-55790","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.383Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3d4023a17c312eee5f2dc9cd9a78f42a"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"## Summary\n\nAn attacker with only a GitHub account can plant a JavaScript payload in a `craftcms/cms` issue title. When a Craft admin uses the CraftSupport widget’s \"Give feedback\" screen and types a search term that returns the poisoned issue, the payload executes in the admin’s control panel session.\n\nNo control panel account or elevated privileges are required on the attacker’s side.\n\n## Preconditions\n\n- Attacker has a GitHub account (no control panel access needed).\n- Victim is an administrator, and you have the CraftSupport widget on the dashboard.\n- Victim uses the \"Give feedback\" screen and types a search term that returns the poisoned issue.\n\n## Root cause\n\n`CraftSupportWidget.js` lines 382-392:\n\n```js\n$('', {\n  href: this.getSearchResultUrl(results[i]),\n  target: '_blank',\n  html:\n    '' +\n    this.getSearchResultText(results[i]),\n})\n```\n\n`FeedbackScreen.getSearchResultText` (line 669-671) returns `result.title` verbatim from the GitHub API response. The jQuery `html:` option sets the element’s `innerHTML`, so a title containing `` executes immediately on render.\n\nT","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-RC1; fixed 5.9.23"]},{"certainty":"source_listed","source_ids":["sr-3d4023a17c312eee5f2dc9cd9a78f42a"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"## Summary\n\nAn attacker with only a GitHub account can plant a JavaScript payload in a `craftcms/cms` issue title. When a Craft admin uses the CraftSupport widget’s \"Give feedback\" screen and types a search term that returns the poisoned issue, the payload executes in the admin’s control panel session.\n\nNo control panel account or elevated privileges are required on the attacker’s side.\n\n## Preconditions\n\n- Attacker has a GitHub account (no control panel access needed).\n- Victim is an administrator, and you have the CraftSupport widget on the dashboard.\n- Victim uses the \"Give feedback\" screen and types a search term that returns the poisoned issue.\n\n## Root cause\n\n`CraftSupportWidget.js` lines 382-392:\n\n```js\n$('', {\n  href: this.getSearchResultUrl(results[i]),\n  target: '_blank',\n  html:\n    '' +\n    this.getSearchResultText(results[i]),\n})\n```\n\n`FeedbackScreen.getSearchResultText` (line 669-671) returns `result.title` verbatim from the GitHub API response. The jQuery `html:` option sets the element’s `innerHTML`, so a title containing `` executes immediately on render.\n\nT","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0-RC1; fixed 4.17.16"]}],"null_published_at":"2026-10-31T22:13:48.407Z","source_updated_at":"2026-09-10T03:51:09.883Z","source_disclosed_at":"2026-07-06T21:29:16.000Z","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":"2026-10-31T21:41:40.009Z"}],"next_cursor":null,"snapshot_revision":"42594"}