← Back

Mediawiki

mediawiki

Vendor: Mediawiki • 417 CVEs

CVEs (417)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
2Debian
Mediawiki
2Debian Linux
Mediawiki
Jun 17, 2026
Oct 9, 2023
N/A· v4
5.3 MEDIUM· v3
N/A· v2
An issue was discovered in includes/page/Article.php in MediaWiki 1.36.x through 1.39.x before 1.39.5 and 1.40.x before 1.40.1. Deleted revision existence is leaked due to incorrect permissions being checked. This reveal...Show more
An issue was discovered in includes/page/Article.php in MediaWiki 1.36.x through 1.39.x before 1.39.5 and 1.40.x before 1.40.1. Deleted revision existence is leaked due to incorrect permissions being checked. This reveals that a given revision ID belonged to the given page title, and its timestamp, both of which are not supposed to be public information.Show less
2Debian
Mediawiki
2Debian Linux
Mediawiki
Jun 17, 2026
Oct 9, 2023
N/A· v4
7.5 HIGH· v3
N/A· v2
An issue was discovered in ApiPageSet.php in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. It allows attackers to cause a denial of service (unbounded loop and RequestTimeoutExc...Show more
An issue was discovered in ApiPageSet.php in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. It allows attackers to cause a denial of service (unbounded loop and RequestTimeoutException) when querying pages redirected to other variants with redirects and converttitles set.Show less
2Debian
Mediawiki
2Debian Linux
Mediawiki
Jun 17, 2026
Sep 25, 2023
N/A· v4
9.0 CRITICAL· v3
N/A· v2
Mediawiki v1.40.0 does not validate namespaces used in XML files. Therefore, if the instance administrator allows XML file uploads, a remote attacker with a low-privileged user account can use this exploit to become a...Show more
Mediawiki v1.40.0 does not validate namespaces used in XML files. Therefore, if the instance administrator allows XML file uploads, a remote attacker with a low-privileged user account can use this exploit to become an administrator by sending a malicious link to the instance administrator.Show less
1Mediawiki
1Mediawiki
Jun 17, 2026
Aug 20, 2023
N/A· v4
5.3 MEDIUM· v3
N/A· v2
An issue was discovered in MediaWiki before 1.35.11, 1.36.x through 1.38.x before 1.38.7, 1.39.x before 1.39.4, and 1.40.x before 1.40.1. It is possible to bypass the Bad image list (aka badFile) by using the thumb param...Show more
An issue was discovered in MediaWiki before 1.35.11, 1.36.x through 1.38.x before 1.38.7, 1.39.x before 1.39.4, and 1.40.x before 1.40.1. It is possible to bypass the Bad image list (aka badFile) by using the thumb parameter (aka Manualthumb) of the File syntax.Show less
1Mediawiki
1Mediawiki
Jun 17, 2026
Jun 30, 2023
N/A· v4
5.3 MEDIUM· v3
N/A· v2
An issue was discovered in the ProofreadPage (aka Proofread Page) extension for MediaWiki through 1.39.3. In includes/Page/PageContentHandler.php and includes/Page/PageDisplayHandler.php, hidden users can be exposed via...Show more
An issue was discovered in the ProofreadPage (aka Proofread Page) extension for MediaWiki through 1.39.3. In includes/Page/PageContentHandler.php and includes/Page/PageDisplayHandler.php, hidden users can be exposed via public interfaces.Show less
1Mediawiki
1Mediawiki
Jun 17, 2026
Jun 30, 2023
N/A· v4
5.4 MEDIUM· v3
N/A· v2
An issue was discovered in the DoubleWiki extension for MediaWiki through 1.39.3. includes/DoubleWiki.php allows XSS via the column alignment feature.
1Mediawiki
1Mediawiki
Jun 17, 2026
Jun 30, 2023
N/A· v4
9.8 CRITICAL· v3
N/A· v2
An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. In certain situations, an attempt to block a user fails after a temporary browser hang and a DBQueryDisconnectedError error message.
1Mediawiki
1Mediawiki
Jun 17, 2026
Jun 30, 2023
N/A· v4
6.1 MEDIUM· v3
N/A· v2
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/temp...Show more
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).Show less
1Mediawiki
1Mediawiki
Jun 17, 2026
Jun 30, 2023
N/A· v4
5.3 MEDIUM· v3
N/A· v2
An issue was discovered in SubmitEntityAction in Wikibase in MediaWiki through 1.39.3. Because it doesn't use EditEntity for undo and restore, the intended interaction with AbuseFilter does not occur.
1Mediawiki
1Mediawiki
Jun 17, 2026
Jun 30, 2023
N/A· v4
5.3 MEDIUM· v3
N/A· v2
An issue was discovered in the CheckUserLog API in the CheckUser extension for MediaWiki through 1.39.3. There is incorrect access control for visibility of hidden users.
1Mediawiki
1Mediawiki
Jun 17, 2026
Jun 29, 2023
N/A· v4
6.1 MEDIUM· v3
N/A· v2
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.
1Mediawiki
1Mediawiki
Jun 17, 2026
Jun 29, 2023
N/A· v4
6.1 MEDIUM· v3
N/A· v2
An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. In Special:CheckUser, a check of the "get edits" type is vulnerable to HTML injection through the User-Agent HTTP request header.
1Mediawiki
1Mediawiki
Jun 17, 2026
Jun 29, 2023
N/A· v4
6.1 MEDIUM· v3
N/A· v2
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.
1Mediawiki
1Mediawiki
Jun 17, 2026
Jun 29, 2023
N/A· v4
6.1 MEDIUM· v3
N/A· v2
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 us...Show more
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.Show less
1Mediawiki
1Mediawiki
Jun 17, 2026
Jun 26, 2023
N/A· v4
6.1 MEDIUM· v3
N/A· v2
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.
1Mediawiki
1Mediawiki
Jun 17, 2026
May 29, 2023
N/A· v4
4.3 MEDIUM· v3
N/A· v2
An issue was discovered in MediaWiki before 1.35.8, 1.36.x and 1.37.x before 1.37.5, and 1.38.x before 1.38.3. Upon an action=rollback operation, the alreadyrolled message can leak a user name (when the user has been rev...Show more
An issue was discovered in MediaWiki before 1.35.8, 1.36.x and 1.37.x before 1.37.5, and 1.38.x before 1.38.3. Upon an action=rollback operation, the alreadyrolled message can leak a user name (when the user has been revision deleted/suppressed).Show less
1Mediawiki
1Mediawiki
Jun 17, 2026
Apr 15, 2023
N/A· v4
4.3 MEDIUM· v3
N/A· v2
An issue was discovered in the VisualEditor extension in MediaWiki before 1.31.13, and 1.32.x through 1.35.x before 1.35.2. . When using VisualEditor to edit a MediaWiki user page belonging to an existing, but hidden, us...Show more
An issue was discovered in the VisualEditor extension in MediaWiki before 1.31.13, and 1.32.x through 1.35.x before 1.35.2. . When using VisualEditor to edit a MediaWiki user page belonging to an existing, but hidden, user, VisualEditor will disclose that the user exists. (It shouldn't because they are hidden.) This is related to ApiVisualEditor.Show less
2Fedoraproject
Mediawiki
2Fedora
Mediawiki
Jun 17, 2026
Mar 31, 2023
N/A· v4
9.8 CRITICAL· v3
N/A· v2
An issue was discovered in MediaWiki before 1.35.10, 1.36.x through 1.38.x before 1.38.6, and 1.39.x before 1.39.3. An auto-block can occur for an untrusted X-Forwarded-For header.
1Mediawiki
1Mediawiki
Jun 17, 2026
Mar 31, 2023
N/A· v4
5.3 MEDIUM· v3
N/A· v2
An issue was discovered in the GrowthExperiments extension for MediaWiki through 1.39.3. Attackers might be able to see edits for which the username has been hidden, because there is no check for rev_deleted.
1Mediawiki
1Mediawiki
Jun 17, 2026
Mar 31, 2023
N/A· v4
6.5 MEDIUM· v3
N/A· v2
An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. When a user with checkuserlog permissions makes many CheckUserLog API requests in some configurations, denial of service can occur (Request...Show more
An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. When a user with checkuserlog permissions makes many CheckUserLog API requests in some configurations, denial of service can occur (RequestTimeoutException or upstream request timeout).Show less