Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki - ProofreadPage Extension allows Cross-Site Scripting (XSS).This issue affects MediaWiki - ProofreadPage Extension: 1.45, 1.44, 1.43, 1.39.

An issue was discovered in the GlobalBlocking extension in MediaWiki before 1.40.2. For a Special:GlobalBlock?uselang=x-xss URI, i18n-based XSS can occur via the parentheses message. This affects subtitle links in buildSubtitleLinks.

An issue was discovered in MediaWiki before 1.35.14, 1.36.x through 1.39.x before 1.39.6, and 1.40.x before 1.40.2. In includes/logging/RightsLogFormatter.php, group-*-member messages can result in XSS on Special:log/rights.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - ArticleFeedbackv5 extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - ArticleFeedbackv5 extension: from 1.42.X before 1.42.2.

An issue was discovered in SiteLinksView.php in Wikibase in MediaWiki through 1.39.3. There is XSS via a crafted badge title attribute. This is also related to lack of escaping in wbTemplate (from resources/wikibase/templates.js) for quotes (which can be in a title attribute).

A vulnerability, which was classified as problematic, was found in Wikisource Category Browser. This affects an unknown part of the file index.php. The manipulation of the argument lang leads to cross site scripting. It is possible to initiate the attack remotely. The patch is named 764f4e8ce3f9242637df77530c70ae8a2ec4b6a1. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-218415.

An issue was discovered in the Cargo extension for MediaWiki through 1.39.3. XSS can occur in Special:CargoQuery via a crafted page item when using the default format.

An issue was discovered in the GoogleAnalyticsMetrics extension for MediaWiki through 1.39.3. The googleanalyticstrackurl parser function does not properly escape JavaScript in the onclick handler and does not prevent use of javascript: URLs.

An issue was discovered in the Cargo extension for MediaWiki through 1.39.3. It allows one to store javascript: URLs in URL fields, and automatically links these URLs.

An issue was discovered in MediaWiki before 1.35.11, 1.36.x through 1.38.x before 1.38.7, and 1.39.x before 1.39.4. BlockLogFormatter.php in BlockLogFormatter allows XSS in the partial blocks feature.

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.

Cross-site scripting (XSS) vulnerability in MediaWiki 1.19.9 before 1.19.10, 1.2x before 1.21.4, and 1.22.x before 1.22.1 allows remote attackers to inject arbitrary web script or HTML via unspecified CSS values.

An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1. E-Widgets does widget replacement in HTML attributes, which can lead to XSS, because widget authors often do not expect that their widget is executed in an HTML attribute context.

includes/libs/IEUrlExtension.php in the MediaWiki API in MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 does not properly detect extensions when there are an even number of "." (period) characters in a string, which allows remote attackers to conduct cross-site scripting (XSS) attacks via the siprop parameter in a query action to wiki/api.php.

A cross-site scripting (XSS) vulnerability in MediaWiki before 1.19.5 and 1.20.x before 1.20.4 and allows remote attackers to inject arbitrary web script or HTML via Lua function names.

An issue was discovered in MediaWiki before 1.35.7, 1.36.x and 1.37.x before 1.37.3, and 1.38.x before 1.38.1. XSS can occur in configurations that allow a JavaScript payload in a username. After account creation, when it sets the page title to "Welcome" followed by the username, the username is not escaped: SpecialCreateAccount::successfulAction() calls ::showSuccessPage() with a message as second parameter, and OutputPage::setPageTitle() uses text().

The Nimbus skin for MediaWiki through 1.37.2 (before 6f9c8fb868345701d9544a54d9752515aace39df) allows XSS in Advertise link messages.

An XSS issue was discovered in MediaWiki before 1.35.6, 1.36.x before 1.36.4, and 1.37.x before 1.37.2. The widthheight, widthheightpage, and nbytes properties of messages are not escaped when used in galleries or Special:RevisionDelete.

In MediaWiki through 1.37, Wikibase item descriptions allow XSS, which is triggered upon a visit to an action=info URL (aka a page-information sidebar).

An issue was discovered in CentralAuth in MediaWiki through 1.36.2. The rightsnone MediaWiki message was not being properly sanitized and allowed for the injection and execution of HTML and JavaScript via the setchange log.

MediaWiki before 1.36.2 allows XSS. Month related MediaWiki messages are not escaped before being used on the Special:Search results page.

A vulnerability classified as problematic has been found in SemanticDrilldown Extension. Affected is the function printFilterLine of the file includes/specials/SDBrowseDataPage.php of the component GET Parameter Handler. The manipulation of the argument value leads to cross site scripting. It is possible to launch the attack remotely. The name of the patch is 6e18cf740a4548166c1d95f6d3a28541d298a3aa. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-215964.

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.

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.

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 through 1.33.1 allows attackers to bypass the Title_blacklist protection mechanism by starting with an arbitrary title, establishing a non-resolvable redirect for the associated page, and using redirect=1 in the action API when editing that page.

resources/src/mediawiki.page.ready/ready.js in MediaWiki before 1.35 allows remote attackers to force a logout and external redirection via HTML content in a MediaWiki page.

An issue was discovered in VectorComponentUserLinks.php in the Vector Skin component in MediaWiki before 1.39.5 and 1.40.x before 1.40.1. vector-intro-page MalformedTitleException is uncaught if it is not a valid title, leading to incorrect web pages.

An issue was discovered in MediaWiki before 1.37.3 and 1.38.x before 1.38.1. The contributions-title, used on Special:Contributions, is used as page title without escaping. Hence, in a non-default configuration where a username contains HTML entities, it won't be escaped.

MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2 has XSS when the $wgShowExceptionDetails setting is false and the browser sends non-standard URL escaping.

An issue was discovered in the Foreground skin for MediaWiki through 1.42.1. There is stored XSS via MediaWiki:Sidebar top-level menu entries.

An issue was discovered in the Nimbus skin for MediaWiki through 1.42.1. There is Stored XSS via MediaWiki:Nimbus-sidebar menu and submenu entries.

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. The WikibaseMediaInfo component is vulnerable to XSS via the caption fields for a given media file.

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. Special:CheckUserLog allows CheckUser XSS because of date mishandling, as demonstrated by an XSS payload in MediaWiki:October.

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. There is Blind Stored XSS via a URL to the Upload Image feature.

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Wikimedia Foundation MediaWiki - ProofreadPage Extension allows XSS Targeting Non-Script Elements. The issue has been remediated on the `master` branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.

An issue was discovered in SpecialEditGrowthConfig in the GrowthExperiments extension in MediaWiki through 1.36.2. The growthexperiments-edit-config-error-invalid-title MediaWiki message was not being properly sanitized and allowed for the injection and execution of HTML and JavaScript.

An issue was discovered in SecurePoll in the Growth extension in MediaWiki through 1.36.2. Simple polls allow users to create alerts by changing their User-Agent HTTP header and submitting a vote.

An issue was discovered in the Growth extension in MediaWiki through 1.36.2. Any admin can add arbitrary JavaScript code to the Newcomer home page footer, which can be executed by viewers with zero edits.

An XSS issue was discovered in the SocialProfile extension in MediaWiki through 1.36. Within several gift-related special pages, a privileged user with the awardmanage right could inject arbitrary HTML and JavaScript within various gift-related data fields. The attack could easily propagate across many pages for many users.

An XSS issue was discovered in the SportsTeams extension in MediaWiki through 1.36. Within several special pages, a privileged user could inject arbitrary HTML and JavaScript within various data fields. The attack could easily propagate across many pages for many users.

The TitleIcon extension for MediaWiki is vulnerable to stored XSS through the #titleicon_unicode parser function. User input passed to this function is wrapped in an HtmlArmor object without sanitization and rendered directly into the page header, allowing attackers to inject arbitrary JavaScript. This issue affects Mediawiki - TitleIcon 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 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.

The MsUpload extension for MediaWiki is vulnerable to stored XSS via the msu-continue system message, which is inserted into the DOM without proper sanitization. The vulnerability occurs in the file upload UI when the same filename is uploaded twice. This issue affects Mediawiki - MsUpload 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 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.

An issue was discovered in the CommentBox extension for MediaWiki through 1.35.2. Via crafted configuration variables, a malicious actor could introduce XSS payloads into various layers.

Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/api/ApiFeedContributions.Php. This issue affects MediaWiki: from * before 1.39.13, 1.42.7 1.43.2, 1.44.0.

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/ApiSandbox.Js. This issue affects MediaWiki: from 1.27.0 before 1.39.13, 1.42.7 1.43.2, 1.44.0.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MultimediaViewer.This issue affects MultimediaViewer: from * before 1.39.13, 1.42.7, 1.43.2, 1.44.0.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Vector. This vulnerability is associated with program files resources/skins.Vector.Js/portlets.Js, resources/skins.Vector.Legacy.Js/portlets.Js. This issue affects Vector: from >= 1.40.0 before 1.42.7, 1.43.2, 1.44.0.