CVE-2026-89255

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.

  • Published Sep 11, 2026
  • CVSS 9.3 critical
  • 0.4% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-89255 at the National Vulnerability Database