CVE-2026-103444CWE-80

CVE-2026-103444

published September 30, 2026

CVSS
1.1
EPSS
0%
Percentile
25.9
In the wild
Unconfirmed
What it is

Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki WikiForum extension allows Stored XSS.

This issue affects MediaWiki WikiForum extension: master.

The record
Technical detail
CVSS
1.1 · NONE
CVSS v4.0
1.1 · CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/S:N/AU:Y/R:U/V:D/RE:M/U:Amber
EPSS
0.00337 · 25.9th percentile
Weakness
CWE-80 · Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Published
2026-09-30T21:16Z
References (2)
https://gerrit.wikimedia.org/r/q/I7849ef0f9c3eff48fd63e47e5b8affc3b25bb4dd · c4f26cc8-17ff-4c99-b5e2-38fc1793eacchttps://phabricator.wikimedia.org/T414227 · c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
EPSS history
Timeline
  • 02 OCT 03:41Z
    EPSS moved — → 0%
    epss
  • 30 SEP 16:23Z
    Stored XSS through system messages in WikiForum
    cvelistv5