CVE-2026-89243

critical · 9.2

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.

9.2

CVSS

0.4%

EPSS (exploit prob.)

32nd

EPSS percentile

2026-09-11

Published

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-79

References

https://github.com/WWBN/AVideo/security/advisories/GHSA-qm3h-2jrx-xmg6
https://www.vulncheck.com/advisories/wwbn-avideo-stored-xss-via-usergroups-setgroup-name
https://github.com/WWBN/AVideo/security/advisories/GHSA-qm3h-2jrx-xmg6

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-89243