CVE-2026-89239 Details
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.
A reflected cross-site scripting vulnerability has been identified in WWBN AVideo versions through commit c3edcc274c389816d434acadac07ee78eaf330c1. The issue arises in the showAlertMessage() function, where the raw Referer or Origin header is inserted into a JavaScript comment without proper encoding. This flaw allows attackers to craft a Referer header that includes '*/' to terminate the comment and inject arbitrary JavaScript. The injected script executes in the context of the site origin for users who arrive from the attacker-controlled page.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 11, 2026CISA-ADP
Assessed Sep 11, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/WWBN/AVideo/security/advisories/GHSA-3pp9-g99w-qw3j | [email protected] | AdvisoryExploitTechnical DescriptionVendor |
| https://www.vulncheck.com/advisories/wwbn-avideo-reflected-xss-via-referer-header-comment-breakout | [email protected] | Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| WWBN AVideo | <= c3edcc274c389816d434acadac07ee78eaf330c1 |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 11, 2026 | CVE Modified | CISA-ADP |
| Sep 11, 2026 | New CVE Received | [email protected] |
Volerion