Wikimedia Foundation Checkuser
9 CVEs affecting Wikimedia Foundation Checkuser. Latest disclosed: 2026-07-01. Critical: 0, High: 2.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2025-67478 | High | 8.8 | 2026-02-03 | Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files includes/Mail/UserMailer.Php. This issue affects CheckUse… |
CVE-2026-34090 | High | 7.5 | 2026-05-11 | Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation CheckUser. This issue affects CheckUser: from 1.45.0 before 1… |
CVE-2025-61651 | Medium | 6.1 | 2026-02-03 | Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation CheckUser. This vulnerability… |
CVE-2025-61648 | Medium | 6.1 | 2026-02-03 | Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation CheckUser. This vulnerability… |
CVE-2026-58034 | Medium | 4.8 | 2026-07-01 | Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation CheckUser. This vulnerabili… |
CVE-2025-61658 | Medium | 4.3 | 2026-02-03 | Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/GlobalContributions/GlobalContributionsPager.Php. Thi… |
CVE-2025-61650 | | 2026-02-03 | Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation CheckUser. This vulnerability… | |
CVE-2025-61649 | | 2026-02-03 | Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/Services/CheckUserUserInfoCardService.Php. This issue… | |
CVE-2025-61647 | | 2026-02-03 | Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/Api/Rest/Handler/UserInfoHandler.Php. This issue affe… |