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OpenAdvisories
Low DSA-6085-1 19 CVEs

mediawiki - security update

Published Dec 19, 2025 · Updated Dec 19, 2025

Fixed packages 2

ReleasePackageFixed in
Debian · 12 mediawiki 1:1.39.17-1~deb12u1
Debian · 13 mediawiki 1:1.43.6+dfsg-1~deb13u1

Vulnerabilities 19

  • Low 2.7

    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.

  • Low 2.7

    Extension:TextExtracts does not check for authorizeRead when returning extracts

    Vulnerability in Wikimedia Foundation TextExtracts. This vulnerability is associated with program files includes/ApiQueryExtracts.Php. This issue affects TextExtracts: from * before 1.39.14, 1.43.4, 1.44.1.

  • Low 1.7

    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/recen…

  • Low 1.7

    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.

  • Low 1.7

    Lua segfault in unpack()

    Vulnerability in Wikimedia Foundation Scribunto, Wikimedia Foundation luasandbox. This vulnerability is associated with program files includes/Engines/LuaCommon/lualib/mwInit.Lua, library.C. This issue affects Scribunto: from * before 1.39.16, 1.43.6, 1.44.3,…

  • Low 1.2

    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.

  • None 0.0

    Reauth for enabling 2FA can be bypassed by submitting a form

    Vulnerability in Wikimedia Foundation OATHAuth. This vulnerability is associated with program files src/Special/OATHManage.Php. This issue affects OATHAuth: from * before 1.39.14, 1.43.4, 1.44.1.

  • None 0.0

    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…

  • None 0.0

    Add rate limiting to ApiFancyCaptchaReload

    Vulnerability in Wikimedia Foundation ConfirmEdit. This vulnerability is associated with program files includes/FancyCaptcha/ApiFancyCaptchaReload.Php. This issue affects ConfirmEdit: *.

  • None 0.0
    CVE-2025-61638 Public exploit

    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/C…

  • None 0.0

    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 is…

  • None 0.0

    Stored XSS through system messages in VisualEditor

    Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation VisualEditor. This vulnerability is associated with program files includes/ApiVisualEditorEdit.Php, modules/ve-mw/init/targets/ve…

  • None 0.0

    XSS when pasting into VE

    Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation VisualEditor. This vulnerability is associated with program files src/ce/ve.Ce.ClipboardHandler.Js. This issue affects VisualEdit…

  • None 0.0

    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 Me…

  • None 0.0

    Wrong E-Mail address composition for usernames with a comma and Umlauts in it like "Döe, Jähn"

    Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files includes/Mail/UserMailer.Php. This issue affects CheckUser: from * before 1.39.14, 1.43.4, 1.44.1.

  • None 0.0

    Magic word replacement in legacy parser allows using reserved data attributes through wikitext

    Vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation Cite. This vulnerability is associated with program files includes/Parser/CoreParserFunctions.Php, includes/Parser/Sanitizer.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4…

  • None 0.0

    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.

  • None 0.0

    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 iss…

  • None 0.0

    Action API xslt option allows JavaScript execution by administrators who are not interface administrators

    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.