CVE ID : CVE-2025-53478
Published : July 7, 2025, 7:15 p.m. | 3 hours, 29 minutes ago
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.
Severity: 5.4 | MEDIUM
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