CVE-2026-55690: StarCitizenWiki Extension Embed Video: Stored XSS via unsanitized service name in exception text
When passing an unknown service name to embedvideo, an error message is rendered containing the invalid service name. The service name is not sanitized and can contain HTML.
References
- github.com/StarCitizenWiki/mediawiki-extensions-EmbedVideo/commit/9215564bf28a0ceb40be550a55ab78efc0accc56
- github.com/StarCitizenWiki/mediawiki-extensions-EmbedVideo/releases/tag/v4.1.0
- github.com/StarCitizenWiki/mediawiki-extensions-EmbedVideo/security/advisories/GHSA-c29q-5xm7-5p62
- github.com/advisories/GHSA-c29q-5xm7-5p62
- nvd.nist.gov/vuln/detail/CVE-2026-55690
Code Behaviors & Features
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