{"id":"CVE-2026-57440","revision":"17814e8ec93a4bd589dcc2c6e45e512a","records":[{"revision":"17814e8ec93a4bd589dcc2c6e45e512a","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-57440","aliases":[],"title":"Mediawiki EmbedVideo Extension has stored XSS via malformed src url with $wgEmbedVideoRequireConsent disabled","description":"The EmbedVideo Extension is a MediaWiki extension which adds a parser function called #ev and various parser tags for embedding video clips from various video sharing services. Prior to 4.1.0, with $wgEmbedVideoRequireConsent disabled (not the default), the urls for videos are passed into an iframe src attribute without sanitization. When given a malformed url or id, the src attribute can be escaped via double quotes, allowing for html/javascript injection. Version 4.1.0 contains a patch.","state":0,"publishedAt":"2026-09-24T18:42:45.326+00:00","modifiedAt":"2026-09-29T03:09:13.332+00:00","affected":[{"ecosystem":"Vendor product","name":"mediawiki-extensions-EmbedVideo","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"StarCitizenWiki\",\n                    \"product\": \"mediawiki-extensions-EmbedVideo\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 4.1.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5,"severity":"HIGH"}],"references":["https://github.com/StarCitizenWiki/mediawiki-extensions-EmbedVideo/security/advisories/GHSA-v65j-hff3-753c","https://github.com/StarCitizenWiki/mediawiki-extensions-EmbedVideo/commit/370156335b325bb81d14d89edf0a1f2643d50a84"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-57440","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-57440","identifiers":["CVE-2026-57440"]},"retained":false,"historicalAffected":[]}],"coverage":[]}