Wikimedia Foundation MediaWiki - Checkuser Extension
3 CVEs affecting Wikimedia Foundation MediaWiki - Checkuser Extension. Latest disclosed: 2025-07-08. Critical: 0, High: 0.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2025-53479 | Medium | 5.4 | 2025-07-08 | The CheckUser extension’s Special:CheckUser interface is vulnerable to reflected XSS via the rev-deleted-user message. This message is rendered without proper… |
CVE-2025-53480 | Medium | 5.4 | 2025-07-08 | The CheckUser extension’s Special:Investigate page has a vulnerability in the Account information tab, where specific internationalized messages are rendered w… |
CVE-2025-53478 | Medium | 5.4 | 2025-07-07 | The CheckUser extension’s Special:Investigate interface is vulnerable to reflected XSS due to improper escaping of certain internationalized system messages re… |