Description

The CheckUser extension’s Special:Investigate interface is vulnerable to reflected XSS due to improper escaping of certain internationalized system messages rendered on the “IPs and User agents” tab. This issue affects Mediawiki - CheckUser extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.

INFO

Published Date :

2025-07-07T18:16:33.919Z

Last Modified :

2025-07-07T20:49:34.393Z

Source :

wikimedia-foundation
AFFECTED PRODUCTS

The following products are affected by CVE-2025-53478 vulnerability.

No data.

REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-53478.

URL Resource
https://gerrit.wikimedia.org/r/q/I3a1e21b6800ff4d813a33ee9fe9b7ccf070b6b2e cve-icon cve-icon
https://phabricator.wikimedia.org/T394692 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact