GHSA-V65J-HFF3-753C Mediawiki EmbedVideo Extension has stored XSS via malformed src url with $wgEmbedVideoRequireConsent disabled

Summary 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. Details The iframe...

Mediawiki EmbedVideo Extension has stored XSS via malformed src url with $wgEmbedVideoRequireConsent disabled

Summary 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. Details The iframe...

CVE-2026-57440

The EmbedVideo Extension for MediaWiki is vulnerable to HTML/JavaScript injection in versions prior to 4.1.0 . When the $wgEmbedVideoRequireConsent setting is disabled, the extension fails to sanitize video URLs passed into an iframe src attribute. An attacker can provide a malformed URL or ID us...

CVE-2026-57440 Mediawiki EmbedVideo Extension has stored XSS via malformed src url with $wgEmbedVideoRequireConsent disabled

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...

CVE-2026-57440 Mediawiki EmbedVideo Extension has stored XSS via malformed src url with $wgEmbedVideoRequireConsent disabled

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...