CVE-2026-100237CWE-79cross-site-scripting

CVE-2026-100237

Medium · published September 25, 2026

CVSS v3.1
6.1
EPSS
0%
Percentile
4.2
In the wild
Unconfirmed
What it is

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Thanks Extension allows Stored XSS.

This issue affects Mediawiki - Thanks Extension: from * before 1.43.10/1.45.5/1.46.1.

The record
Technical detail
CVSS v3.1
6.1 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00155 · 4.2th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-25T21:17Z
References (2)
https://gerrit.wikimedia.org/r/q/I6d563f9cdab25c07dcd0083f3af2126e0859d098 · c4f26cc8-17ff-4c99-b5e2-38fc1793eacchttps://phabricator.wikimedia.org/T432424 · c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
EPSS history
Timeline
  • 27 SEP 03:24Z
    EPSS moved — → 0%
    epss
  • 25 SEP 16:47Z
    Stored i18n XSS in the Flow integration of Thanks
    cvelistv5