Vendor
Wikimedia Foundation
153 known vulnerabilities.
Products
153 results · Feed
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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…
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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…
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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.
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None 0.0
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/HTML…
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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.
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None 0.0
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.
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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: *.
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None 0.0
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 M…
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Low 2.1
With MultiBlocks enabled and a user who is suppressed via a MultiBlock, a user without 'hideuser' can see the hidden username in the BlockList
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/specials/pagers/BlockListPager.Php. This issue affects MediaWiki: >= 1.42.0.
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Medium 4.6
Complete content leak of private wikis due to PasswordReset Wikitext injection in error message
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLUserTextField.Php. This issue affects MediaWiki: from * through 1.39.1…
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None 0.0
HTML injection in API action=feedcontributions output from i18n message
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.
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Low 2.1
Creating a permanent account from a temporary account associates temp username and IP address with real username in AbuseLog
Vulnerability in Wikimedia Foundation AbuseFilter. This vulnerability is associated with program files includes/auth/AuthManager.Php. This issue affects AbuseFilter: from fe0b1cb9e9691faf4d8d9bd80646589f6ec37615 before 1.43.2, 1.44.0.
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Low 2.1
"{{SITENAME}} registered email address has been changed" email sent to unverified email addresses
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/user/User.Php. This issue affects MediaWiki: from 1.27.0 before 1.39.13, 1.42.7 1.43.2, 1.44.0.
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None 0.0
XSS 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/ApiSandbox.Js. This iss…
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None 0.0
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia …
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None 0.0
Vector inserts portlet labels as HTML, allowing for stored XSS through system messages
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.…
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None 0.0
MediaWiki should not consider autocreation as login for the purposes of security reauthentication
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/auth/AuthManager.Php. This issue affects MediaWiki: from * before 1.39.13, 1.42.7, 1.43.2, 1.44.0.
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Low 2.3
Autoblocks from global account suppressions are publicly visible
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/specials/pagers/BlockListPager.Php, includes/api/ApiQueryBlocks.Php. This issue affects MediaWiki: from >= 1.42.0 before 1.39.13, 1.42.7 1.43.2, 1.44…
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Medium 5.3
CampaignEvents API missing authorization exposes meeting and chat URLs
Missing Authorization vulnerability in Wikimedia Foundation MediaWiki - CampaignEvents extension allows Privilege Abuse.This issue affects MediaWiki - CampaignEvents extension: 1.45, 1.44, 1.43, 1.39.
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Medium 6.1
Multiple stored i18n/message-key XSSes in UploadWizard
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki - UploadWizard extension allows Cross-Site Scripting (XSS).This issue affects MediaWiki - UploadWizard extension: 1.45,…
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Medium 6.1
Stored XSS through a system message and a user-provided parameter in ProofreadPage
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: 1.4…
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High 7.5
Path Traversal vulnerability in CSS extension on certain web servers
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Wikimedia Foundation MediaWiki - CSS extension allows Path Traversal.This issue affects MediaWiki - CSS extension: 1.44, 1.43, 1.39.
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Medium 5.3
VisualData extension: Regular Expression Denial of Service (ReDoS) via crafted user input
Inefficient Regular Expression Complexity vulnerability in Wikimedia Foundation MediaWiki - VisualData Extension allows Regular Expression Exponential Blowup.This issue affects MediaWiki - VisualData Extension: 1.45.
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Medium 6.5
WordPress Wikipedia Preview plugin <= 1.15.0 - Broken Access Control vulnerability
Missing Authorization vulnerability in Wikimedia Foundation Wikipedia Preview wikipedia-preview allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Wikipedia Preview: from n/a through <= 1.15.0.
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Medium 6.9
Stored XSS through system messages in Skin:BlueSky
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - Skin:BlueSky allows Stored XSS.This issue affects Mediawiki - Skin:BlueSky: from master before 1.39.
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Medium 5.4
TitleIcon: Stored Cross-Site Scripting (XSS) via #titleicon_unicode parser function
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 at…
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Medium 5.4
MsUpload: Stored Cross-Site Scripting (XSS) via unsanitized msu-continue system message
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 iss…
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Medium 5.4
CheckUser: Reflected Cross-Site Scripting (XSS) in Special:CheckUser via unsanitized internationalized message
The CheckUser extension’s Special:CheckUser interface is vulnerable to reflected XSS via the rev-deleted-user message. This message is rendered without proper escaping, making it possible to inject JavaScript through the uselang=x-xss language override mechan…
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Medium 5.4
CheckUser: Reflected Cross-Site Scripting (XSS) in Special:Investigate (Account information tab) via unsanitized i18n messages
The CheckUser extension’s Special:Investigate page has a vulnerability in the Account information tab, where specific internationalized messages are rendered without proper escaping. Attackers can exploit this by appending ?uselang=x-xss to the URL, causing r…
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Medium 5.4
Stored XSS in MediaSearch
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - MediaSearch Extension allows Stored XSS.This issue affects Mediawiki - MediaSearch Extension: from 1.42.X before 1.42…
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Medium 6.1
Stored XSS in WikiHiero
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - WikiHiero Extension allows Stored XSS.This issue affects Mediawiki - WikiHiero Extension: from 1.43.X before 1.43.2.
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Medium 5.3
Lack of Audit Logging in AbuseFilter
Insufficient Logging vulnerability in Wikimedia Foundation Mediawiki - AbuseFilter Extension allows Data Leakage Attacks.This issue affects Mediawiki - AbuseFilter Extension: from 1.43.X before 1.43.2.
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Critical 9.1
Unauthorized Inspection of Protected Variables in AbuseFilter
Missing Authorization vulnerability in Wikimedia Foundation Mediawiki - AbuseFilter Extension allows Unauthorized Access.This issue affects Mediawiki - AbuseFilter Extension: from 1.43.X before 1.43.2.
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Critical 9.1
Unauthorized Disclosure of IP Reputation in AbuseFilter
Missing Authorization vulnerability in Wikimedia Foundation Mediawiki - AbuseFilter Extension allows Unauthorized Access.This issue affects Mediawiki - AbuseFilter Extension: from 1.43.X before 1.43.2.
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Medium 5.4
CheckUser: Reflected Cross-Site Scripting (XSS) in Special:Investigate via unsanitized i18n messages
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.…
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Medium 5.4
Stored XSS in RelatedArticles
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 bef…
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Medium 5.4
XSS in FlaggedRevs
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.…
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Medium 5.4
ApprovedRevs: Stored Cross-Site Scripting (XSS) via unsanitized system messages
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 ove…
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Medium 5.4
Stored XSS in Quiz
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…
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Medium 5.4
WikiCategoryTagCloud: Reflected Cross-Site Scripting (XSS) via linkstyle attribute in parser function
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 in…