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.
References
Configurations
No configuration.
History
No history.
Information
Published : 2025-07-07 19:15
Updated : 2025-07-08 16:18
NVD link : CVE-2025-53478
Mitre link : CVE-2025-53478
CVE.ORG link : CVE-2025-53478
JSON object : View
Products Affected
No product.
CWE
CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
