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Software

wikimedia foundation mediawiki
53
wikimedia foundation checkuser
9
wikimedia foundation abusefilter
3
wikimedia foundation mediawiki - campaignevents extension
2
wikimedia foundation mediawiki - cargo extension
2
wikimedia foundation mediawiki - growth experiments extension
2
wikimedia foundation oathauth
2
wikimedia foundation scribunto
2
wikimedia foundation vector
2
wikimedia foundation visualeditor
2
wikimedia foundation campaignevents extension
1
wikimedia foundation centralauth
1
wikimedia foundation cite
1
wikimedia foundation confirmedit
1
wikimedia foundation discussiontools
1
wikimedia foundation echo
1
wikimedia foundation luasandbox
1
wikimedia foundation mediawiki - ajax poll extension
1
wikimedia foundation mediawiki - centralauth extension
1
wikimedia foundation mediawiki - charts extension
1
wikimedia foundation mediawiki - confirm account extension
1
wikimedia foundation mediawiki - css extension
1
wikimedia foundation mediawiki - oauth extension
1
wikimedia foundation mediawiki - proofreadpage extension
1
wikimedia foundation mediawiki - quiz extension
1
wikimedia foundation mediawiki - thanks extension
1
wikimedia foundation mediawiki - uploadwizard extension
1
wikimedia foundation mediawiki - urlshortener extension
1
wikimedia foundation mediawiki - visualdata extension
1
wikimedia foundation mediawiki - wikibase media info extension
1
wikimedia foundation mediawiki - wikidata extension
1
wikimedia foundation mediawiki - wikilambda extension
1
wikimedia foundation mediawiki cargo extension
1
wikimedia foundation mediawiki centralauth extension
1
wikimedia foundation mediawiki globalwatchlist extension
1
wikimedia foundation mediawiki growthexperiments extension
1
wikimedia foundation mediawiki proofreadpage extension
1
wikimedia foundation mediawiki reportincident extension
1
wikimedia foundation mediawiki score extension
1
wikimedia foundation mediawiki wikilove extension
1
wikimedia foundation multimediaviewer
1
wikimedia foundation parsoid
1
wikimedia foundation textextracts
1
wikimedia foundation thanks
1
wikimedia foundation urlshortener extension
1
wikimedia foundation wikipedia
1
wikimedia foundation wikipedia preview
1

MediaWiki MediaWikiStored XSS in Wikimedia Chart pie tooltip via Data:*.tab field title

Risk 50
Severity
6.9
First published (updated )
CVE-2026-14358

MediaWiki MediaWikiBlocked users can create and edit WikiLambda objects

Risk 50
Severity
6.9
First published (updated )
CVE-2026-58517

MediaWiki MediaWikiRemote Code Execution via Unsafe Deserialization in LogItem Import

Risk 86
Severity
5.9
First published (updated )
CVE-2026-58025

MediaWiki MediaWikiFull Account Takeover from BotPasswords and OAuth via action=changeauthenticationdata

Risk 40
Severity
5.3
First published (updated )
CVE-2026-58029

Wikimedia Foundation MediaWikiPretty-printed API output combined with centralauthtoken allows XSS with certain gadgets

Risk 34
Severity
First published (updated )
CVE-2026-58028
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MediaWiki MediaWiki$wgNonincludableNamespaces can be bypassed by embedding redirect in other namespaces

Risk 33
Severity
First published (updated )
CVE-2026-58026

MediaWiki MediaWikimw.Api.getErrorMessage() may return injected HTML if used without errorformat=html

Risk 38
Severity
5.3
First published (updated )
CVE-2026-58032

MediaWiki MediaWiki"Total number of distinct authors" statistic at action=info does not exclude revisions where the author name was deleted

Risk 37
Severity
5.3
First published (updated )
CVE-2026-58033

MediaWiki MediaWikiCore log entries for exceptions and XSS issues in log entry formatting code that may be caused by user-controlled input

Risk 38
Severity
First published (updated )
CVE-2026-58037

Wikimedia Foundation MediaWikiUsers API leaks whether privileged users have their user groups disabled for lack of 2FA

Risk 43
Severity
2.1
First published (updated )
CVE-2026-58036
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MediaWiki MediaWikiAPI identification of users on private wikis

Risk 33
Severity
5.1
First published (updated )
CVE-2026-58024

MediaWiki MediaWikiUrlShortener extension url validation can be bypassed due to difference between php url parsing and WHATWG

Risk 79
Severity
First published (updated )
CVE-2026-13706

Wikimedia Foundation MediaWikiStored i18n XSS in Special:ApiSandbox when a deprecated module is selected

Risk 34
Severity
First published (updated )
CVE-2026-58031

Wikimedia Foundation CheckUserStored XSS through a system message when blocking a temporary account that's related to other temporary accounts

Risk 29
Severity
First published (updated )
CVE-2026-58034

Wikimedia Foundation MediaWikiStored XSS through a system message in the codex version of Special:Block

Risk 29
Severity
First published (updated )
CVE-2026-58035
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Wikimedia Foundation MediaWiki 1.46End of life details

EOL
Jul 31, 2027
First published (updated )
EOL-mediawiki-1.46

Wikimedia Foundation EchoInfoleak

Risk 15
Severity
2.3
First published (updated )
CVE-2026-5266

MediaWiki MediaWikiaction=raw with Special:Mypage subpage title responds with "Content-Type: text/html" on ctype=text/javascript request

Risk 38
Severity
First published (updated )
CVE-2026-34095

MediaWiki MediaWikiCustomized help link for page protection indicator is relative to subpage name, because the link target is missing the "/wiki/" prefix

Risk 26
Severity
2
First published (updated )
CVE-2026-34094

MediaWiki MediaWikiSpecial:UserRights allows viewing user rights from private wiki

Risk 27
Severity
1.1
First published (updated )
CVE-2026-34093
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MediaWiki MediaWikiBlock UI elements in 'tools'-sidebar shows presence of an autoblocked IP

Risk 43
Severity
2.1
First published (updated )
CVE-2026-34092

MediaWiki MediaWikiUser localization leaked by AbuseFilter + EventStream

Risk 43
Severity
5.5
First published (updated )
CVE-2026-34091

Wikimedia Foundation CheckUserSuggested investigations: Handle suppressed usernames

Risk 43
Severity
4.8
First published (updated )
CVE-2026-34090

Wikimedia Foundation ScribuntoMemory leak in Scribunto causes runJobs.php to run out of memory

Risk 43
Severity
2.3
First published (updated )
CVE-2026-34089

MediaWiki MediaWikiRecentChanges entries expose suppressed content via generated log page html

Risk 43
Severity
1.3
First published (updated )
CVE-2026-34088
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MediaWiki MediaWikiUsers API leaks whether privileged users have their user groups disabled for lack of 2FA

Risk 43
Severity
5.1
First published (updated )
CVE-2026-34087

Wikimedia Foundation AbuseFilterAbuseFilter misuses ::userCanBitfield, exposing access-controlled information

Risk 20
Severity
2.1
First published (updated )
CVE-2026-34086

Wikimedia Foundation MediaWiki Score extensionStored XSS in Score due to usage of non-reserved data attributes

Risk 50
Severity
6.9
First published (updated )
CVE-2026-39936

Wikimedia Foundation CampaignEvents ExtensionXSS-via-i18n in localised wiki names

Risk 50
Severity
6.9
First published (updated )
CVE-2026-39935

Wikimedia Foundation MediaWiki GrowthExperiments extensionGrowth Experiments ReassignMenteesJob runs as an infinite loop

Risk 50
Severity
6.9
First published (updated )
CVE-2026-39934
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