CVE Intelligence

Mediawiki Mediawiki vulnerabilities

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Published CVEs affecting Mediawiki Mediawiki: 48 record(s), with affected versions and fixes.
cpe:2.3:a:mediawiki:mediawiki

CVE-2026-34092 High · 7.5 CWE-200 May 11, 2026
Block UI elements in 'tools'-sidebar shows presence of an autoblocked IP
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Skin/Skin.Php. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
CVE-2026-34091 High · 7.5 CWE-200 May 11, 2026
User localization leaked by AbuseFilter + EventStream
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
CVE-2026-34088 High · 7.5 CWE-200 May 11, 2026
RecentChanges entries expose suppressed content via generated log page html
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
CVE-2026-34087 High · 7.5 CWE-200 May 11, 2026
Users API leaks whether privileged users have their user groups disabled for lack of 2FA
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation OATHAuth. This issue affects OATHAuth: from * before 1.43.7, 1.44.4, 1.45.2.
CVE-2025-67484 Critical · 9.8 CWE-20 Feb 2, 2026
MediaWiki ApiFormatXml improper input validation flaw
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Api/ApiFormatXml.Php. This issue affects MediaWiki: from * before 1.39.16, 1.43.6, 1.44.3, 1.45.1.
CVE-2025-67483 Medium · 6.1 CWE-79 Feb 2, 2026
Theoretical i18n XSS in mediawiki.page.preview.js when a page has multiple protection levels
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.Page.Preview.Js. This issue affects MediaWiki: from * before 1.43.6, 1.44.3, 1.45.1.
CVE-2025-67481 Medium · 6.1 CWE-79 Feb 2, 2026
mw.message(…).parse() doesn't output safe HTML, but it's being used as if it does
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.JqueryMsg/mediawiki.JqueryMsg.Js. This issue affects MediaWiki: from * before 1.39.16, 1.43.6, 1.44.3, 1.45.1.
CVE-2025-67480 Medium · 6.5 CWE-20 Feb 2, 2026
list=allrevisions can be used to bypass Extension:Lockdown
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Api/ApiQueryRevisionsBase.Php. This issue affects MediaWiki: from * before 1.39.16, 1.43.6, 1.44.3, 1.45.1.
CVE-2025-67477 Medium · 6.1 CWE-79 Feb 2, 2026
Stored XSS through a system message in Special:ApiSandbox
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.Special.Apisandbox/ApiSandboxLayout.Js. This issue affects MediaWiki: from * before 1.44.3, 1.45.1.
CVE-2025-67476 Medium · 4.3 Feb 2, 2026
Importing leaks IP address of importer via EventStreams
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Import/ImportableOldRevisionImporter.Php. This issue affects MediaWiki: from * before 1.44.3, 1.45.1.
CVE-2025-67475 Medium · 6.1 CWE-79 Feb 2, 2026
Stored XSS through edit summaries in MW Core
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/CommentFormatter/CommentParser.Php. This issue affects MediaWiki: from * before 1.39.16, 1.43.6, 1.44.3, 1.45.1.
CVE-2025-61646 Medium · 5.4 CWE-22 Feb 2, 2026
Watchlist group mode reveals authors of edits with hidden authorship
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/RecentChanges/EnhancedChangesList.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
CVE-2025-61645 Medium · 6.1 CWE-79 Feb 2, 2026
CodexTablePager has i18n XSS
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/pager/CodexTablePager.Php. This issue affects MediaWiki: from * before 1.44.1.
CVE-2025-11261 Medium · 6.1 CWE-79 Feb 2, 2026
Stored i18n XSS exposed by security patch for T402077
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.Language/mediawiki.Language.Js. This issue affects MediaWiki: from * before 1.39.15, 1.43.5, 1.44.2.
CVE-2025-61643 Medium · 6.1 CWE-212 Feb 2, 2026
EventStreams publishes suppressed recent change entries that are suppressed from their creation
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/recentchanges/RecentChangeRCFeedNotifier.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
CVE-2025-61642 Medium · 6.1 CWE-79 Feb 2, 2026
Stored XSS through system messages provided to CodexHtmlForms
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/CodexHTMLForm.Php, includes/htmlform/fields/HTMLButtonField.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
CVE-2025-61641 Medium · 6.1 CWE-22 Feb 2, 2026
API list=allpages with maxsize is making really slow queries
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/api/ApiQueryAllPages.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
CVE-2025-61640 Medium · 4.8 CWE-79 Feb 2, 2026
Stored XSS through system messages in Special:RecentChangesLinked (MW Core)
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.Rcfilters/ui/RclToOrFromWidget.Js. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
CVE-2025-61639 Medium · 4.8 CWE-200 Feb 2, 2026
Suppressed blocked IP is visible in Special:BlockList, RC, and other places
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/logging/ManualLogEntry.Php, includes/recentchanges/RecentChangeFactory.Php, includes/recentchanges/RecentChangeStore.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
CVE-2025-61638 Medium · 4.8 CWE-79 Feb 2, 2026
Sanitizer::validateAttributes data-XSS
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation Parsoid. This vulnerability is associated with program files includes/parser/Sanitizer.Php, src/Core/Sanitizer.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1; Parsoid: from * before 0.16.6, 0.20.4, 0.21.1.
CVE-2025-61637 Medium · 4.8 CWE-79 Feb 2, 2026
Stored XSS through system messages in MW Core
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.Action/mediawiki.Action.Edit.Preview.Js, resources/src/mediawiki.Page.Preview.Js. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
CVE-2025-61636 Medium · 4.8 CWE-79 Feb 2, 2026
Codex Special:Block vulnerable to message key XSS
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLButtonField.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
CVE-2025-61634 Low · 3.1 CWE-22 Feb 2, 2026
HTML rest endpoint needs PoolCounter and proper parser cache check
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Rest/Handler/PageHTMLHandler.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.