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Medium · 5.4 CVE-2026-85159 EUVD-2026-70394GHSA-gr2c-r9h3-6533

AVideo Reflected XSS via cancelUri in userLogin.php

Published Sep 3, 2026 · Updated Sep 5, 2026 · Assigned by VulnCheck

Description

AVideo through commit c91b5975d contains a reflected cross-site scripting vulnerability in userLogin.php where the cancelUri parameter is echoed in an href attribute after isSafeRedirectURL checks protocol only, not HTML characters. Unauthenticated attackers can inject event handlers via relative URLs with embedded quotes to execute arbitrary JavaScript when users interact with the Cancel button.

Affected products

VendorProductAffectedFixed
WWBN AVideo — —

References