Vulnerabilities (CVE)

Filtered by vendor Mediawiki Subscribe
Total 438 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2024-34507 2 Fedoraproject, Mediawiki 2 Fedora, Mediawiki 2026-06-17 N/A 7.4 HIGH
An issue was discovered in includes/CommentFormatter/CommentParser.php in MediaWiki before 1.39.7, 1.40.x before 1.40.3, and 1.41.x before 1.41.1. XSS can occur because of mishandling of the 0x1b character, as demonstrated by Special:RecentChanges#%1b0000000.
CVE-2024-34506 2 Fedoraproject, Mediawiki 2 Fedora, Mediawiki 2026-06-17 N/A 7.5 HIGH
An issue was discovered in includes/specials/SpecialMovePage.php in MediaWiki before 1.39.7, 1.40.x before 1.40.3, and 1.41.x before 1.41.1. If a user with the necessary rights to move the page opens Special:MovePage for a page with tens of thousands of subpages, then the page will exceed the maximum request time, leading to a denial of service.
CVE-2024-34502 2 Fedoraproject, Mediawiki 2 Fedora, Mediawiki 2026-06-17 N/A 9.8 CRITICAL
An issue was discovered in WikibaseLexeme in MediaWiki before 1.39.6, 1.40.x before 1.40.2, and 1.41.x before 1.41.1. Loading Special:MergeLexemes will (attempt to) make an edit that merges the from-id to the to-id, even if the request was not a POST request, and even if it does not contain an edit token.
CVE-2024-34500 2 Fedoraproject, Mediawiki 2 Fedora, Mediawiki 2026-06-17 N/A 6.1 MEDIUM
An issue was discovered in the UnlinkedWikibase extension in MediaWiki before 1.39.6, 1.40.x before 1.40.2, and 1.41.x before 1.41.1. XSS can occur through an interface message. Error messages (in the $err var) are not escaped before being passed to Html::rawElement() in the getError() function in the Hooks class.
CVE-2024-23179 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 6.1 MEDIUM
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.
CVE-2024-23178 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 5.4 MEDIUM
An issue was discovered in the Phonos extension in MediaWiki before 1.40.2. PhonosButton.js allows i18n-based XSS via the phonos-purge-needed-error message.
CVE-2024-23177 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 6.1 MEDIUM
An issue was discovered in the WatchAnalytics extension in MediaWiki before 1.40.2. XSS can occur via the Special:PageStatistics page parameter.
CVE-2024-23174 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 5.4 MEDIUM
An issue was discovered in the PageTriage extension 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. XSS can occur via the rev-deleted-user, pagetriage-tags-quickfilter-label, pagetriage-triage, pagetriage-filter-date-range-format-placeholder, pagetriage-filter-date-range-to, pagetriage-filter-date-range-from, pagetriage-filter-date-range-heading, pagetriage-filter-set-button, or pagetriage-filter-reset-button message.
CVE-2024-23173 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 6.1 MEDIUM
An issue was discovered in the Cargo extension 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. The Special:Drilldown page allows XSS via artist, album, and position parameters because of applied filter values in drilldown/CargoAppliedFilter.php.
CVE-2024-23172 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 5.4 MEDIUM
An issue was discovered in the CheckUser extension 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. XSS can occur via message definitions. e.g., in SpecialCheckUserLog.
CVE-2024-23171 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 5.4 MEDIUM
An issue was discovered in the CampaignEvents extension 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. The Special:EventDetails page allows XSS via the x-xss language setting for internationalization (i18n).
CVE-2023-51704 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 6.1 MEDIUM
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.
CVE-2023-45374 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 5.3 MEDIUM
An issue was discovered in the SportsTeams extension for 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 does not check for the anti-CSRF edit token in Special:SportsTeamsManager and Special:UpdateFavoriteTeams.
CVE-2023-45373 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 6.1 MEDIUM
An issue was discovered in the ProofreadPage extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. XSS can occur via formatNumNoSeparators.
CVE-2023-45372 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 5.3 MEDIUM
An issue was discovered in the Wikibase extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. During item merging, ItemMergeInteractor does not have an edit filter running (e.g., AbuseFilter).
CVE-2023-45371 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 7.5 HIGH
An issue was discovered in the Wikibase extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. There is no rate limit for merging items.
CVE-2023-45370 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 5.3 MEDIUM
An issue was discovered in the SportsTeams extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. SportsTeams: Special:SportsManagerLogo and Special:SportsTeamsManagerLogo do not check for the sportsteamsmanager user right, and thus an attacker may be able to affect pages that are concerned with sports teams.
CVE-2023-45369 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 4.3 MEDIUM
An issue was discovered in the PageTriage extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. Usernames of hidden users are exposed.
CVE-2023-45367 1 Mediawiki 1 Mediawiki 2026-06-17 N/A 6.5 MEDIUM
An issue was discovered in the CheckUser extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. A user can use a rest.php/checkuser/v0/useragent-clienthints/revision/ URL to store an arbitrary number of rows in cu_useragent_clienthints, leading to a denial of service.
CVE-2023-45364 2 Debian, Mediawiki 2 Debian Linux, Mediawiki 2026-06-17 N/A 5.3 MEDIUM
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.