Wikimedia Foundation MediaWiki
55 CVEs affecting Wikimedia Foundation MediaWiki. Latest disclosed: 2026-07-01. Critical: 2, High: 5.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2026-58025 | Critical | 9.8 | 2026-07-01 | Deserialization of untrusted data vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Import/WikiIm… |
CVE-2025-67484 | Critical | 9.8 | 2026-02-03 | Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Api/ApiFormatXml.Php. This issue affects MediaWi… |
CVE-2026-58036 | High | 7.5 | 2026-07-01 | Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program fil… |
CVE-2026-34092 | High | 7.5 | 2026-05-11 | Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program fil… |
CVE-2026-34091 | High | 7.5 | 2026-05-11 | Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This issue affects MediaWiki: from * before 1.43.7… |
CVE-2026-34088 | High | 7.5 | 2026-05-11 | Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This issue affects MediaWiki: from * before 1.43.7… |
CVE-2013-4572 | High | 7.5 | 2020-02-06 | The CentralNotice extension for MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 sets the Cache-Control header to cache session cookies… |
CVE-2026-58033 | Medium | 6.5 | 2026-07-01 | Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program fil… |
CVE-2026-58029 | Medium | 6.5 | 2026-07-01 | Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Api/ApiChangeAuthenticationData.Php, includes/A… |
CVE-2025-67480 | Medium | 6.5 | 2026-02-03 | Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Api/ApiQueryRevisionsBase.Php. This issue affect… |
CVE-2026-58037 | Medium | 6.1 | 2026-07-01 | Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerabili… |
CVE-2026-58032 | Medium | 6.1 | 2026-07-01 | Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerabili… |
CVE-2026-34095 | Medium | 6.1 | 2026-05-11 | Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Actions/ActionEntryPoint.Php, includes/Request/… |
CVE-2025-67483 | Medium | 6.1 | 2026-02-03 | Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability… |
CVE-2025-67481 | Medium | 6.1 | 2026-02-03 | Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability… |
CVE-2025-67477 | Medium | 6.1 | 2026-02-03 | Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability… |
CVE-2025-67475 | Medium | 6.1 | 2026-02-03 | Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability… |
CVE-2025-61645 | Medium | 6.1 | 2026-02-03 | Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability… |
CVE-2025-11261 | Medium | 6.1 | 2026-02-03 | Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability… |
CVE-2025-61643 | Medium | 6.1 | 2026-02-03 | Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/recentchanges/RecentChangeRCFeedNotifier.Php. Th… |