CVE-2026-89239

Medium

Description

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a reflected cross-site scripting vulnerability in the showAlertMessage() function that inserts the raw Referer header into a JavaScript comment without encoding. Attackers can craft a Referer header containing */ to close the comment and inject arbitrary JavaScript that executes in the site origin for visitors arriving from the attacker-controlled page.

SeverityMedium
CVSS6.1
Exploit probability—
ProductAVideo
PublishedSep 11, 2026
First seenSep 11, 2026

How to fix

Affected products

ProductAffected versionsFixed in
WWBN AVideov ≤ c3edcc274c389816d434acadac07ee78eaf330c1—

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