Vulnerabilities (CVE)

Filtered by vendor Mediawiki Subscribe
Filtered by product Mediawiki
Total 429 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2023-37256 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 6.1 MEDIUM
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.
CVE-2023-37255 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 6.1 MEDIUM
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.
CVE-2023-37254 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 6.1 MEDIUM
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.
CVE-2023-37251 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 6.1 MEDIUM
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.
CVE-2023-36675 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 6.1 MEDIUM
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.
CVE-2023-36674 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 5.3 MEDIUM
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.
CVE-2023-29141 2 Fedoraproject, Mediawiki 2 Fedora, Mediawiki 2026-06-17 N/A 9.8 CRITICAL
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.
CVE-2023-29140 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 5.3 MEDIUM
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.
CVE-2023-29139 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 6.5 MEDIUM
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).
CVE-2023-29137 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 4.3 MEDIUM
An issue was discovered in the GrowthExperiments extension for MediaWiki through 1.39.3. The UserImpactHandler for GrowthExperiments inadvertently returns the timezone preference for arbitrary users, which can be used to de-anonymize users.
CVE-2023-22945 2 Fedoraproject, Mediawiki 2 Fedora, Mediawiki 2026-06-17 N/A 4.3 MEDIUM
In the GrowthExperiments extension for MediaWiki through 1.39, the growthmanagementorlist API allows blocked users (blocked in ApiManageMentorList) to enroll as mentors or edit any of their mentorship-related properties.
CVE-2023-22912 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 5.3 MEDIUM
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. CheckUser TokenManager insecurely uses AES-CTR encryption with a repeated (aka re-used) nonce, allowing an adversary to decrypt.
CVE-2023-22911 2 Fedoraproject, Mediawiki 2 Fedora, Mediawiki 2026-06-17 N/A 6.1 MEDIUM
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.
CVE-2023-22910 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 5.4 MEDIUM
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. There is XSS in Wikibase date formatting via wikibase-time-precision-* fields. This allows JavaScript execution by staff/admin users who do not intentionally have the editsitejs capability.
CVE-2023-22909 2 Fedoraproject, Mediawiki 2 Fedora, Mediawiki 2026-06-17 N/A 5.3 MEDIUM
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. SpecialMobileHistory allows remote attackers to cause a denial of service because database queries are slow.
CVE-2022-47927 2 Fedoraproject, Mediawiki 2 Fedora, Mediawiki 2026-06-17 N/A 5.5 MEDIUM
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. When installing with a pre-existing data directory that has weak permissions, the SQLite files are created with file mode 0644, i.e., world readable to local users. These files include credentials data.
CVE-2022-41767 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 5.3 MEDIUM
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. When changes made by an IP address are reassigned to a user (using reassignEdits.php), the changes will still be attributed to the IP address on Special:Contributions when doing a range lookup.
CVE-2022-41766 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 4.3 MEDIUM
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).
CVE-2022-41765 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 5.3 MEDIUM
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. HTMLUserTextField exposes the existence of hidden users.
CVE-2022-39194 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 4.9 MEDIUM
An issue was discovered in the MediaWiki through 1.38.2. The community configuration pages for the GrowthExperiments extension could cause a site to become unavailable due to insufficient validation when certain actions (including page moves) were performed.