CVE-2026-55690: StarCitizenWiki Extension Embed Video: Stored XSS via unsanitized service name in exception text
(updated )
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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