CVE-2026-89255

High

Description

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.

SeverityHigh

CVSS8.7

Exploit probability—

ProductAVideo

PublishedSep 11, 2026

First seenSep 11, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Vendor advisories

github.com/WWBN/AVideo/security/advisories/GHSA-gq4h-vw2w-9rx3

Affected products

Product	Affected versions	Fixed in
WWBN AVideo	v ≤ c3edcc274c389816d434acadac07ee78eaf330c1	—

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