Vulnerabilidades do Mediawiki Mediawiki

CVE-2026-34092 Alta · 7.5 CWE-200 11/05/2026

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 Alta · 7.5 CWE-200 11/05/2026

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 Alta · 7.5 CWE-200 11/05/2026

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 Alta · 7.5 CWE-200 11/05/2026

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 Crítica · 9.8 CWE-20 02/02/2026

MediaWiki: falha de validação imprópria de entrada no formatador XML da API

Vulnerabilidade no Wikimedia Foundation MediaWiki. Esta vulnerabilidade está associada aos arquivos de programa includes/Api/ApiFormatXml.Php. Este problema afeta o MediaWiki: de * antes de 1.39.16, 1.43.6, 1.44.3, 1.45.1.

CVE-2025-67483 Média · 6.1 CWE-79 02/02/2026

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 Média · 6.1 CWE-79 02/02/2026

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 Média · 6.5 CWE-20 02/02/2026

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 Média · 6.1 CWE-79 02/02/2026

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 Média · 4.3 02/02/2026

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 Média · 6.1 CWE-79 02/02/2026

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 Média · 5.4 CWE-22 02/02/2026

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 Média · 6.1 CWE-79 02/02/2026

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 Média · 6.1 CWE-79 02/02/2026

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 Média · 6.1 CWE-212 02/02/2026

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 Média · 6.1 CWE-79 02/02/2026

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 Média · 6.1 CWE-22 02/02/2026

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 Média · 4.8 CWE-79 02/02/2026

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 Média · 4.8 CWE-200 02/02/2026

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 Média · 4.8 CWE-79 02/02/2026

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 Média · 4.8 CWE-79 02/02/2026

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 Média · 4.8 CWE-79 02/02/2026

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 Baixa · 3.1 CWE-22 02/02/2026

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.