CVE-2026-89243CWE-79cross-site-scripting

CVE-2026-89243

High · published September 11, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
31.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N
CVSS v4.0
9.2 · CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
EPSS
0.00382 · 31.0th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-11T16:16Z
References (3)
https://github.com/WWBN/AVideo/security/advisories/GHSA-qm3h-2jrx-xmg6 · [email protected]https://www.vulncheck.com/advisories/wwbn-avideo-stored-xss-via-usergroups-setgroup-name · [email protected]https://github.com/WWBN/AVideo/security/advisories/GHSA-qm3h-2jrx-xmg6 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 13 SEP 03:23Z
    EPSS moved — → 0%
    epss
  • 11 SEP 11:15Z
    WWBN AVideo Stored XSS via UserGroups setGroup_name
    cvelistv5