CVE-2026-89239

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.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/WWBN/AVideo/security/advisories/GHSA-3pp9-g99w-qw3j
https://www.vulncheck.com/advisories/wwbn-avideo-reflected-xss-via-referer-header-comment-breakout

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-11 12:16

Updated : 2026-09-11 21:17

NVD link : CVE-2026-89239

Mitre link : CVE-2026-89239

CVE.ORG link : CVE-2026-89239

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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