CVE-2026-22711CWE-87

Stored XSS through system messages in WikiLove

Medium · published April 7, 2026

CVSS v4.0
6.9
EPSS
0%
Percentile
20.7
In the wild
Unconfirmed
What it is

Improper neutralization of alternate XSS syntax vulnerability in The Wikimedia Foundation Mediawiki - Wikilove Extension allows Cross-Site Scripting (XSS).The issue has been remediated on the `master` branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L
EPSS
0.00293 · 20.7th percentile
Weakness
CWE-87 · Improper Neutralization of Alternate XSS Syntax
Published
2026-04-07T18:39Z
EPSS history
Timeline
  • 07 APR 18:39Z
    Stored XSS through system messages in WikiLove
    cvelistv5