CVE-2026-89254CWE-79cross-site-scripting

CVE-2026-89254

High · published September 11, 2026

CVSS v3.1
8.7
EPSS
0%
Percentile
29.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.7 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
CVSS v4.0
9.3 · 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
EPSS
0.00367 · 29.3th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-11T16:16Z
References (2)
https://github.com/WWBN/AVideo/security/advisories/GHSA-7hj4-f9x4-gg7p · [email protected]https://www.vulncheck.com/advisories/avideo-customizeuser-stored-xss-via-field-name-parameter · [email protected]
EPSS history
Timeline
  • 13 SEP 03:23Z
    EPSS moved — → 0%
    epss
  • 11 SEP 11:15Z
    AVideo CustomizeUser Stored XSS via field_name Parameter
    cvelistv5