Vulnerabilidades

The CheckUser extension’s Special:Investigate interface is vulnerable to reflected XSS due to improper escaping of certain internationalized system messages rendered on the “IPs and User agents” tab. This issue affects Mediawiki - CheckUser extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X…

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - RelatedArticles Extension allows Stored XSS.This issue affects Mediawiki - RelatedArticles Extension: from 1.43.X before 1.43.2.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - FlaggedRevs Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - FlaggedRevs Extension: from 1.43.X before 1.43.2.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - Quiz Extension allows Stored XSS.This issue affects Mediawiki - Quiz Extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.

The ApprovedRevs extension for MediaWiki is vulnerable to stored XSS in multiple locations where system messages are inserted into raw HTML without proper escaping. Attackers can exploit this by injecting JavaScript payloads via the uselang=x-xss language override, which causes crafted message keys to be rendered…

The WikiCategoryTagCloud extension is vulnerable to reflected XSS via the linkstyle attribute, which is improperly concatenated into inline HTML without escaping. An attacker can inject JavaScript event handlers such as onmouseenter using carefully crafted input via the {{#tag:tagcloud}} parser function, resulting in…

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - UrlShortener Extension allows Stored XSS.This issue affects Mediawiki - UrlShortener Extension: from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.

SetTranslationHandler.php does not validate that the user is an election admin, allowing any (even unauthenticated) user to change election-related translation text. While partially broken in newer MediaWiki versions, the check is still missing. This issue affects Mediawiki - SecurePoll extension: from 1.39.X before…

User-controlled inputs are improperly escaped in: This allows attackers to inject JavaScript and compromise user sessions under certain conditions. This issue affects Mediawiki - SecurePoll extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.

ArchivePage.php, UnarchivePage.php, and VoterEligibilityPage#executeClear() do not validate request methods or CSRF tokens, allowing attackers to trigger sensitive actions if an admin visits a malicious site. This issue affects Mediawiki - SecurePoll extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7,…

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - IPInfo Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - IPInfo Extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before…

Uncontrolled Resource Consumption vulnerability in Wikimedia Foundation Mediawiki - IPInfo Extension allows Excessive Allocation.This issue affects Mediawiki - IPInfo Extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.

Short Description is a MediaWiki extension that provides local short description support. In version 4.0.0, short descriptions are not properly sanitized before being inserted as HTML using mw.util.addSubtitle, allowing any user to insert arbitrary HTML into the DOM by editing a page. This issue has been patched in…

Improper Authentication vulnerability in Wikimedia Foundation Mediawiki - CentralAuth Extension allows : Bypass Authentication.This issue affects Mediawiki - CentralAuth Extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.

Improper Input Validation vulnerability in Wikimedia Foundation Mediawiki - FeaturedFeeds Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - FeaturedFeeds Extension: 1.39.X, 1.42.X, 1.43.X.

TabberNeue is a MediaWiki extension that allows the wiki to create tabs. Starting in version 3.0.0 and prior to version 3.1.1, any user can insert arbitrary HTMLinto the DOM by inserting a payload into any allowed attribute of the `<tabber>` tag. Version 3.1.1 contains a patch for the bug.

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in The Wikimedia Foundation Mediawiki - Mobile Frontend Extension allows Shared Resource Manipulation.This issue affects Mediawiki - Mobile Frontend Extension: from 1.39 through 1.43.

Improper Input Validation vulnerability in The Wikimedia Foundation Mediawiki - GrowthExperiments allows HTTP DoS.This issue affects Mediawiki - GrowthExperiments: from 1.39 through 1.43.

Improper Encoding or Escaping of Output vulnerability in The Wikimedia Foundation Mediawiki - Version Compare Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Version Compare Extension: from 1.39 through 1.43.

Improper Input Validation vulnerability in The Wikimedia Foundation Mediawiki - Extension:SimpleCalendar allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Extension:SimpleCalendar: from 1.39 through 1.43.

Improper Input Validation vulnerability in The Wikimedia Foundation Mediawiki - Visual Data Extension allows HTTP DoS.This issue affects Mediawiki - Visual Data Extension: from 1.39 through 1.43.

Improper Input Validation vulnerability in The Wikimedia Foundation Mediawiki - Tabs Extension allows Code Injection.This issue affects Mediawiki - Tabs Extension: from 1.39 through 1.43.

Improper Encoding or Escaping of Output vulnerability in The Wikimedia Foundation Mediawiki - Confirm Account Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Confirm Account Extension: from 1.39 through 1.43.

Improper Input Validation vulnerability in The Wikimedia Foundation Mediawiki - HTML Tags allows Cross-Site Scripting (XSS).This issue affects Mediawiki - HTML Tags: from 1.39 through 1.43.

Improper Encoding or Escaping of Output vulnerability in The Wikimedia Foundation Mediawiki Core - Feed Utils allows WebView Injection.This issue affects Mediawiki Core - Feed Utils: from 1.39 through 1.43.