CVE-2026-89255

CVSS 9.3 (critical) · published 2026-09-11

AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the LoginControl plugin that fails to HTML-encode PGP public keys echoed into a textarea element. An authenticated attacker can inject malicious JavaScript by submitting a crafted public key, which executes in an administrator's session when viewing the user's profile tab.

Weakness: CWE-79

Source: NVD CVE-2026-89255

References

• https://github.com/WWBN/AVideo/security/advisories/GHSA-gq4h-vw2w-9rx3
• https://www.vulncheck.com/advisories/avideo-logincontrol-stored-xss-via-pgp-public-key
• https://github.com/WWBN/AVideo/security/advisories/GHSA-gq4h-vw2w-9rx3

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