---
id: CVE-2026-89243
title: >-
  WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a
  stored cross-site scripting vulnerability in UserGroups::setGroup_name() that
  fails to sanitize group_name input
summary: >-
  WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a
  stored cross-site scripting vulnerability in UserGroups::setGroup_name() that
  fails to sanitize group_name input. Administrators with canAdminUserGroups
  permi…
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N'
cwe:
  - CWE-79
vendor: WWBN
product: AVideo
affected:
  - AVideo <= c3edcc274c389816d434acadac07ee78eaf330c1
published: '2026-09-11'
updated: '2026-09-11'
sourceUpdated: '2026-09-11T15:21:12.850'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-89243'
references:
  - url: 'https://github.com/WWBN/AVideo/security/advisories/GHSA-qm3h-2jrx-xmg6'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/wwbn-avideo-stored-xss-via-usergroups-setgroup-name
    label: disclosure@vulncheck.com
  - url: 'https://github.com/WWBN/AVideo/security/advisories/GHSA-qm3h-2jrx-xmg6'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-11T12:42:35.326474Z'
ingestedAt: '2026-09-14T04:39:10.951Z'
epss: 0.00361
epssPercentile: 0.29937
---

## Overview

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in UserGroups::setGroup_name() that fails to sanitize group_name input. Administrators with canAdminUserGroups permission can inject malicious HTML and JavaScript that executes in the browser when other administrators access the user manager interface.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.