CVE-20XX-?

Mediawiki CVEs.

Published CVEs affecting Mediawiki, ranked by exploit odds.

48 CVEs · updated 2026-11-06 02:16 UTC

  1. CVE-2026-8857

    A vulnerability in Wikimedia Foundation timeline. This vulnerability is associated with program files scripts/EasyTimeline.Pl, includes/Timeline.Php. This issue affects timeline: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

    Injection Web app Mediawiki

    0.0 NONE 2% exploit odds No fix listed
  2. CVE-2026-58025

    Deserialization of untrusted data vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Import/WikiImporter.Php, includes/Import/WikiRevision.Php, includes/Logging/LogEntryBase.Php. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

    Injection Web app Mediawiki

    5.9 MEDIUM 0.5% exploit odds No fix listed
  3. CVE-2026-13706

    Improper input validation vulnerability in Wikimedia Foundation UrlShortener. This vulnerability is associated with program files includes/UrlShortenerUtils.Php.

    Other Web app Mediawiki

    0.0 NONE 0.5% exploit odds No fix listed
  4. CVE-2025-67484

    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.

    Mediawiki

    0.0 NONE 0.4% exploit odds No fix listed
  5. CVE-2026-58033

    Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Actions/InfoAction.Php. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

    Disclosure Web app Mediawiki

    5.3 MEDIUM 0.4% exploit odds No fix listed
  6. CVE-2026-58027

    Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation AbuseFilter. This vulnerability is associated with program files includes/Api/QueryAbuseFilters.Php. This issue affects AbuseFilter: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

    Disclosure Web app Mediawiki

    5.3 MEDIUM 0.4% exploit odds No fix listed
  7. CVE-2026-58024

    Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Api/ApiUserrights.Php. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

    Disclosure Web app Mediawiki

    5.1 MEDIUM 0.4% exploit odds No fix listed
  8. CVE-2026-58026

    Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Parser/Parser.Php. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

    Disclosure Web app Mediawiki

    0.0 NONE 0.4% exploit odds No fix listed
  9. CVE-2026-58029

    Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Api/ApiChangeAuthenticationData.Php, includes/Api/ApiLinkAccount.Php, includes/Api/ApiRemoveAuthenticationData.Php, includes/Specials/SpecialLinkAccounts.Php, includes/Specials/SpecialUnlinkAccounts.Php. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

    Auth & access Web app Mediawiki

    5.3 MEDIUM 0.4% exploit odds No fix listed
  10. CVE-2026-13707

    Session fixation vulnerability in Wikimedia Foundation OAuth. This vulnerability is associated with program files src/Backend/MWOAuthServer.Php. This issue affects OAuth: from * through 1.46.0, 1.45.4, 1.44.6, 1.43.9.

    Other Web app Mediawiki

    0.0 NONE 0.3% exploit odds No fix listed
  11. CVE-2026-58517

    Improper neutralization of input terminators vulnerability in The Wikimedia Foundation Mediawiki - WikiLambda Extension allows Authentication Bypass. This issue affects Mediawiki - WikiLambda Extension: from * before 1.43.9,1.44.6,1.45.4.

    Auth & access Mediawiki

    6.9 MEDIUM 0.3% exploit odds Fix listed
  12. CVE-2026-58036

    Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Api/ApiQueryAllUsers.Php, includes/Api/ApiQueryUsers.Php, includes/Permissions/PermissionManager.Php, includes/User/UserGroupManager.Php.

    Disclosure Web app Mediawiki

    2.1 LOW 0.3% exploit odds No fix listed
  13. CVE-2025-61634

    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.

    Mediawiki

    0.0 NONE 0.3% exploit odds No fix listed
  14. CVE-2025-61641

    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.

    Mediawiki

    1.7 LOW 0.3% exploit odds No fix listed
  15. CVE-2026-58032

    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.Api/index.Js. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

    XSS Mediawiki

    5.3 MEDIUM 0.3% exploit odds No fix listed
  16. CVE-2026-14358

    Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Charts Extension allows Cross-Site Scripting (XSS). This issue affects Mediawiki - Charts Extension: from * before 1.43.9,1.44.6,1.45.4.

    XSS Mediawiki

    6.9 MEDIUM 0.3% exploit odds No fix listed
  17. CVE-2026-34088

    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.

    Disclosure Mediawiki

    1.3 LOW 0.3% exploit odds No fix listed
  18. CVE-2026-34091

    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.

    Disclosure Mediawiki

    5.5 MEDIUM 0.3% exploit odds Fix listed
  19. CVE-2025-67476

    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.

    Mediawiki

    1.3 LOW 0.3% exploit odds No fix listed
  20. CVE-2026-58034

    Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files modules/ext.CheckUser.TempAccounts/components/blockConnectedTempAccountsField.Vue. This issue affects CheckUser: from 1.46.0-rc.0 before 1.46.0.

    XSS Mediawiki

    0.0 NONE 0.3% exploit odds No fix listed
  21. CVE-2026-58035

    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.Block/SpecialBlock.Vue.

    XSS Mediawiki

    0.0 NONE 0.3% exploit odds No fix listed
  22. CVE-2026-58520

    URL redirection to untrusted site ('open redirect') vulnerability in The Wikimedia Foundation Mediawiki - UrlShortener Extension allows Cross-Site Flashing. This issue affects Mediawiki - UrlShortener Extension: from * before 1.43.9, 1.44.6, 1.45.4.

    Other Mediawiki

    6.9 MEDIUM 0.3% exploit odds No fix listed
  23. CVE-2026-58038

    Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation timeline. This vulnerability is associated with program files includes/Timeline.Php, scripts/EasyTimeline.Pl. This issue affects timeline: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

    XSS Web app Mediawiki

    0.0 NONE 0.3% exploit odds No fix listed
  24. CVE-2026-58030

    Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation SyntaxHighlight_GeSHi. This vulnerability is associated with program files includes/SyntaxHighlight.Php. This issue affects SyntaxHighlight_GeSHi: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

    XSS Web app Mediawiki

    5.3 MEDIUM 0.3% exploit odds No fix listed
  25. CVE-2026-58037

    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/Language/Language.Php, includes/Logging/BlockLogFormatter.Php, includes/Logging/LogFormatter.Php, includes/Logging/PatrolLogFormatter.Php, includes/Logging/RenameuserLogFormatter.Php, includes/Logging/TagLogFormatter.Php, includes/Specials/SpecialVersion.Php. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

    XSS Web app Mediawiki

    0.0 NONE 0.3% exploit odds No fix listed
  26. CVE-2025-61638

    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.

    Mediawiki

    0.0 NONE 0.3% exploit odds No fix listed
  27. CVE-2025-61646

    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.

    Mediawiki

    1.2 LOW 0.3% exploit odds No fix listed
  28. CVE-2026-34087

    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.

    Disclosure Mediawiki

    5.1 MEDIUM 0.3% exploit odds Fix listed
  29. CVE-2026-58031

    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 1.46.0-rc.0 before 1.46.0.

    XSS Mediawiki

    0.0 NONE 0.3% exploit odds No fix listed
  30. CVE-2026-58028

    Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation CentralAuth. This vulnerability is associated with program files includes/Api/ApiFormatBase.Php, includes/Api/ApiHelp.Php, includes/ResourceLoader/Module.Php, includes/Hooks/Handlers/PageDisplayHookHandler.Php, includes/LogFormatter/PermissionChangeLogFormatter.Php. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9; CentralAuth: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

    XSS Web app Mediawiki

    0.0 NONE 0.3% exploit odds No fix listed
  31. CVE-2025-61643

    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.

    Mediawiki

    2.7 LOW 0.3% exploit odds No fix listed
  32. CVE-2025-11261

    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.

    Mediawiki

    0.0 NONE 0.3% exploit odds No fix listed
  33. CVE-2025-67480

    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.

    Mediawiki

    0.0 NONE 0.3% exploit odds No fix listed
  34. CVE-2025-67481

    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.

    Mediawiki

    0.0 NONE 0.3% exploit odds No fix listed
  35. CVE-2025-67483

    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.

    Mediawiki

    0.0 NONE 0.3% exploit odds No fix listed
  36. CVE-2025-61639

    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.

    Mediawiki

    1.7 LOW 0.3% exploit odds No fix listed
  37. CVE-2025-61642

    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.

    Mediawiki

    0.0 NONE 0.3% exploit odds No fix listed
  38. CVE-2025-61637

    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.

    Mediawiki

    0.0 NONE 0.3% exploit odds No fix listed
  39. CVE-2025-61640

    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.

    Mediawiki

    0.0 NONE 0.2% exploit odds No fix listed
  40. CVE-2025-67477

    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.

    Mediawiki

    0.0 NONE 0.2% exploit odds No fix listed
  41. CVE-2025-61636

    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.

    Mediawiki

    0.0 NONE 0.2% exploit odds No fix listed
  42. CVE-2025-67475

    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.

    Mediawiki

    0.0 NONE 0.2% exploit odds No fix listed
  43. CVE-2026-34092

    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.

    Disclosure Web app Mediawiki

    2.1 LOW 0.2% exploit odds Fix listed
  44. CVE-2025-61645

    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.

    Mediawiki

    0.0 NONE 0.2% exploit odds Fix listed
  45. CVE-2026-34093

    Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Specials/SpecialUserRights.Php. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.

    Disclosure Web app Mediawiki

    1.1 LOW 0.2% exploit odds Fix listed
  46. CVE-2026-34095

    Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Actions/ActionEntryPoint.Php, includes/Request/FauxResponse.Php. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.

    Other Web app Mediawiki

    0.0 NONE 0.2% exploit odds Fix listed
  47. CVE-2026-34094

    Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Page/Article.Php. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.

    Other Web app Mediawiki

    2.0 LOW 0.2% exploit odds Fix listed
  48. CVE-2026-58518

    Cross-Site request forgery (CSRF) vulnerability in The Wikimedia Foundation Mediawiki - RedirectManager Extension allows Cross Site Request Forgery. This issue affects Mediawiki - RedirectManager Extension: from * before 1.3.3.

    Auth & access Mediawiki

    6.9 MEDIUM 0.1% exploit odds No fix listed

All CVEs affecting Mediawiki that appear in CVE.org and NVD, sorted by how likely they are to be exploited (EPSS), with fix status and timeline.