CVE-2025-53369CWE-79

Citizen Short Description stored XSS vulnerability through wikitext

High · published July 3, 2025

CVSS v3.1
8.6
EPSS
0%
Percentile
26.4
In the wild
Unconfirmed
What it is

Short Description is a MediaWiki extension that provides local short description support. In version 4.0.0, short descriptions are not properly sanitized before being inserted as HTML using mw.util.addSubtitle, allowing any user to insert arbitrary HTML into the DOM by editing a page. This issue has been patched in version 4.0.1.

The record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00341 · 26.4th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-07-03T19:57Z
EPSS history
Timeline
  • 03 JUL 19:57Z
    Citizen Short Description stored XSS vulnerability through wikitext
    cvelistv5