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

high Affects starcitizenwiki/embedvideo. Feed 2026.10.29.3, updated 2026-10-29; published 2026-09-25.

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

Package: starcitizenwiki/embedvideo Composer
Affected versions: <4.1.0
Fixed in: 4.1.0
Severity: high CVSS 7.5
Exploitation: not on CISA KEV · EPSS 0% (26.5th percentile)
Published: 2026-09-25
Source: osv.dev

References

NVD record starcitizenwiki/embedvideo advisories

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