CVE-2026-89254

critical · 9.3

AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the CustomizeUser plugin where the field_name parameter is stored raw without sanitization. Administrators can inject malicious scripts via the add.json.php endpoint that execute when viewing extra info pages or profile forms that render the typeToHTML function.

9.3

CVSS

0.4%

EPSS (exploit prob.)

30th

EPSS percentile

2026-09-11

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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-7hj4-f9x4-gg7p
https://www.vulncheck.com/advisories/avideo-customizeuser-stored-xss-via-field-name-parameter

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-89254