Description

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - GlobalWatchlist Extension allows Cross-Site Scripting (XSS).This issue affects non release branches.

INFO

Published Date :

2026-04-07T21:51:55.476Z

Last Modified :

2026-04-08T22:00:59.635Z

Source :

wikimedia-foundation
AFFECTED PRODUCTS

The following products are affected by CVE-2026-39933 vulnerability.

Vendors Products
Wikimedia
  • Mediawiki - Globalwatchlist Extension
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-39933.

URL Resource
https://gerrit.wikimedia.org/r/q/I1fc7b7e1d234b0aaf9f7d782a65da1451577587e cve-icon cve-icon
https://phabricator.wikimedia.org/T418179 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability