Vendor
The Wikimedia Foundation
98 known vulnerabilities.
The Wikimedia Foundation at a glance
Show as table
| Month | Vulnerabilities | Critical |
|---|---|---|
| Nov 2026 | 0 | 0 |
| Oct 2026 | 0 | 0 |
| Sep 2026 | 29 | 1 |
| Aug 2026 | 0 | 0 |
| Jul 2026 | 7 | 0 |
| Jun 2026 | 0 | 0 |
| May 2026 | 0 | 0 |
| Apr 2026 | 6 | 0 |
| Mar 2026 | 0 | 0 |
| Feb 2026 | 0 | 0 |
| Jan 2026 | 5 | 0 |
| Dec 2025 | 0 | 0 |
| Nov 2025 | 0 | 0 |
| Oct 2025 | 30 | 1 |
| Sep 2025 | 0 | 0 |
| Aug 2025 | 0 | 0 |
| Jul 2025 | 0 | 0 |
| Jun 2025 | 0 | 0 |
| May 2025 | 0 | 0 |
| Apr 2025 | 14 | 0 |
| Mar 2025 | 0 | 0 |
| Feb 2025 | 0 | 0 |
| Jan 2025 | 0 | 0 |
| Dec 2024 | 0 | 0 |
Products
98 results · Feed
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Low 1.2CVE-2026-103585 Public exploit
attacker-controlled javascript license URL via XSS
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki MediaSearch extension allows Cross-Site Scripting (XSS). This issue affects MediaWiki MediaSearch extension: 1.46, 1.45, and 1.43.
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Low 1.1CVE-2026-103584 Public exploit
attacker-controlled javascript license URL via XSS
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki CommonsMetadata extension allows Cross-Site Scripting (XSS). This issue affects MediaWiki CommonsMetadata extension: 1.46, 1.45, …
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Low 1.2CVE-2026-103440 Public exploit
pagetriagelist discloses suppressed reviewer usernames
Exposure of sensitive information through data queries vulnerability in The Wikimedia Foundation MediaWiki PageTriage extension allows Information Elicitation. This issue affects MediaWiki PageTriage extension: 1.46, 1.45, and 1.43.
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Low 0.3
Various rawParams() and escaped() updates to prevent XSS in Wikibase extension
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Wikbase extension allows Cross-Site Scripting (XSS). This issue affects MediaWiki Wikbase extension: 1.46, 1.45, and 1.43.
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Low 0.3
Various rawParams() and escaped() updates to prevent XSS in Wikistories extension
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Wikistories extension allows Cross-Site Scripting (XSS). This issue affects MediaWiki Wikistories extension: 1.46, 1.45, and 1.43.
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Low 1.1CVE-2026-103437 Public exploit
ReadingLists imported metadata permits JavaScript URL XSS
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki ReadingLists extension allows Reflected XSS. This issue affects MediaWiki ReadingLists extension: 1.46 and 1.45.
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High 7.4CVE-2026-103446 Public exploit
WikiLambda exposes anonymous execution of unsaved Abstract Wikipedia fragments
Authorization bypass through User-Controlled key vulnerability in The Wikimedia Foundation MediaWiki WikiLambda extension allows Authentication Bypass. This issue affects MediaWiki WikiLambda extension: 1.46.
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Low 1.2CVE-2026-103445 Public exploit
Stored XSS through PageForms #autoedit redirect links
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Page_Forms extension allows Stored XSS. This issue affects MediaWiki Page_Forms extension: 1.46, 1.45, and 1.43.
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Low 1.1
Stored XSS through system messages in WikiForum
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki WikiForum extension allows Stored XSS. This issue affects MediaWiki WikiForum extension: master.
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Low 1.1
API permits session-seeded javascript URL XSS
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Collection (Book) extension allows XSS Targeting Non-Script Elements. This issue affects MediaWiki Collection (Book) extension: 1…
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High 7.2CVE-2026-103442 Public exploit
MergeAccount PHP object injection via session-key substitution
External control of system or configuration setting vulnerability in The Wikimedia Foundation MediaWiki CentralAuth extension allows Code Injection. This issue affects MediaWiki CentralAuth extension: 1.46, 1.45, and 1.43.
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High 7.2CVE-2026-103441 Public exploit
Unauthenticated arbitrary file deletion through Wikibase serialized entity parsing
Deserialization of untrusted data vulnerability in The Wikimedia Foundation MediaWiki Wikibase extension allows Leverage Executable Code in Non-Executable Files. This issue affects MediaWiki Wikibase extension: 1.46, 1.45, and 1.43.
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Medium 6.1
Stored i18n XSSs in CentralNotice
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - CentralNotice extension allows Stored XSS. This issue affects Mediawiki - CentralNotice extension: before 1.46.1, 1.45.5…
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Medium 6.1
Stored i18n XSS in MassMessage
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - MassMessage extension allows Stored XSS. This issue affects Mediawiki - MassMessage extension: before 1.46.1, 1.45.5, 1.…
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Medium 6.1
XSS in Cargo's Special:CargoQuery page due to unsanitized table headers
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Cargo extension allows Reflected XSS. This issue affects Mediawiki - Cargo extension: before 1.46.1.
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Medium 6.1
Open Redirect in Special:Book
URL redirection to untrusted site ('open redirect') vulnerability in The Wikimedia Foundation Mediawiki - Collection extension allows Fake the Source of Data. This issue affects Mediawiki - Collection extension: before 1.46.1, 1.45.5, 1.43.10.
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Medium 6.1
XSS through i18n message in CentralAuth
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth extension allows Stored XSS. This issue affects Mediawiki - CentralAuth extension: before 1.46.1, 1.45.5, 1.…
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Medium 6.1
XSS in Refreshed skin
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Refreshed skin allows Stored XSS. This issue affects Mediawiki - Refreshed skin: before 1.46.1, 1.45.5, 1.43.10.
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Critical 9.8
EasyTimeline should not serve image maps as application/xml
XML injection (aka blind XPath injection) vulnerability in The Wikimedia Foundation Mediawiki - EasyTimeline extension allows XML Injection. This issue affects Mediawiki - EasyTimeline extension: before 1.46.1, 1.45.5, 1.43.10.
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Medium 6.1
WikifunctionsFragmentRenderer does unsafe string replacements on user-provided HTML
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Wikimedia Foundation MediaWiki - WikiLambda extension allows Stored XSS. This issue affects MediaWiki - WikiLambda extension: before 1.46.1.
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Medium 6.9
"Checked by" label in page history should not be shown if the underlying review log entry is suppressed"
Improper removal of sensitive information before storage or transfer vulnerability in Wikimedia Foundation's Mediawiki - FlaggedRevs extension through 1.46.0.
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Medium 6.9CVE-2026-96878 Public exploit
Cargo Exhibit field alias allows stored XSS
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Mediawiki - Cargo extension allows Reflected XSS. This issue affects Mediawiki - Cargo extension: through 3.9.4.
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Medium 6.9CVE-2026-96877 Public exploit
Reflected XSS through Cargo Drilldown full-text search
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Mediawiki - Cargo extension allows Reflected XSS. This issue affects Mediawiki - Cargo extension: through 3.9.4.
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Medium 6.9CVE-2026-96876 Public exploit
Anonymous reflected XSS in CargoExport invalid-alias errors
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Mediawiki - Cargo extension allows Reflected XSS. This issue affects Mediawiki - Cargo extension: through 3.9.4.
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Medium 6.9CVE-2026-96875 Public exploit
Reflected XSS in Cargo Drilldown hierarchy filters
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Mediawiki - Cargo extension allows Stored XSS. This issue affects Mediawiki - Cargo extension: through 3.9.4.
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Medium 6.1
Stored i18n XSS in the Flow integration of Thanks
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Thanks Extension allows Stored XSS. This issue affects Mediawiki - Thanks Extension: from * before 1.43.10/1.45.5/1.46.1.
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Low 2.3CVE-2026-96874 Public exploit
Stored XSS in Cargo Drilldown tab names
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in the Mediawiki - Cargo extension allows Stored XSS. This issue affects Mediawiki - Cargo extension: through 3.9.4.
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Medium 5.5CVE-2026-96873 Public exploit
Reflected XSS in CirrusSearch debug explain output
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Mediawiki - CirrusSearch extension allows Reflected XSS. This issue affects Mediawiki - CirrusSearch extension through 1.46.0.
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Low 2.9CVE-2026-96872 Public exploit
WikiLambda public function execution bypasses the unsaved-code permission through nested Z825 compositions
Improper handling of insufficient permissions or privileges vulnerability in The Wikimedia Foundation Mediawiki - WikiLambda Extension on Linux, MacOS, and Windows allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Mediawiki -…
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Medium 6.9
Cargo Extension: SQLi in Special:Drilldown
Improper neutralization of special elements used in an SQL command ('SQL injection') vulnerability in The Wikimedia Foundation Mediawiki - Cargo Extension allows SQL Injection. This issue affects Mediawiki - Cargo Extension: from * before 1.43.9,1.44.6,1.45.4.
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Medium 6.9
Stored XSS in Wikimedia Chart pie tooltip via Data:*.tab field title
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Charts Extension allows Cross-Site Scripting (XSS). This issue affects Mediawiki - Charts Extension: from * before 1.43.…
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Medium 6.9
Blocked users can create and edit WikiLambda objects
Improper neutralization of input terminators vulnerability in The Wikimedia Foundation Mediawiki - WikiLambda Extension allows Authentication Bypass. This issue affects Mediawiki - WikiLambda Extension: from * before 1.43.9,1.44.6,1.45.4.
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Medium 6.9
SQLi in Cargo extension via year range filter
Improper neutralization of special elements used in an SQL command ('SQL injection') vulnerability in The Wikimedia Foundation Mediawiki - Cargo Extension allows SQL Injection. This issue affects Mediawiki - Cargo Extension: from * before 1.43.9,1.44.6,1.45.4.
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Medium 6.9
UrlShortener defaults to ineffective validation open to third-party redirects
URL redirection to untrusted site ('open redirect') vulnerability in The Wikimedia Foundation Mediawiki - UrlShortener Extension allows Cross-Site Flashing. This issue affects Mediawiki - UrlShortener Extension: from * before 1.43.9, 1.44.6, 1.45.4.
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Medium 6.9
Stored XSS through Cargo's map format
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS. This issue affects Mediawiki - Cargo Extension: from * before 3.9.1.
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Medium 6.9
Cross-Site request forgery (CSRF) vulnerability in The Wikimedia Foundation Mediawiki - RedirectManager Extension allow…
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Medium 6.9
Stored XSS in Score due to usage of non-reserved data attributes
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Score Extension allows Cross-Site Scripting (XSS). The issue has been remediated on the `master` branch, and in the rele…
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Medium 6.9
XSS-via-i18n in localised wiki names
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - CampaignEvents Extension allows Cross-Site Scripting (XSS). This issue was remediated only on the `master` branch.
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Medium 6.9
Growth Experiments ReassignMenteesJob runs as an infinite loop
Loop with unreachable exit condition ('infinite loop') vulnerability in The Wikimedia Foundation Mediawiki - GrowthExperiments Extension allows Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions. This issue was remediated only on the `master` b…
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Medium 6.9
Multiple XSS vulnerabilities in GlobalWatchlist
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - GlobalWatchlist Extension allows Cross-Site Scripting (XSS). The issue has been remediated on the `master` branch, and i…