Known Vulnerabilities for products from Mediawiki

Listed below are 20 of the newest known vulnerabilities associated with the vendor "Mediawiki".

These CVEs are retrieved based on exact matches on listed vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed vendor information are still displayed.

Data on known vulnerable products is also displayed based on information from known CPEs, each product links to its respective vulnerability page.

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2026-39937 json Not Provided 2026-04-07 2026-04-08
CVE-2026-39936 json Not Provided 2026-04-07 2026-04-08
CVE-2026-39935 json Not Provided 2026-04-07 2026-04-08
CVE-2026-39934 json Not Provided 2026-04-07 2026-04-08
CVE-2026-39933 json Not Provided 2026-04-07 2026-04-08
CVE-2026-39841 json Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in Wikimedia Foundation Mediawiki... Not Provided 2026-04-07 2026-04-15
CVE-2026-39840 json Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Wikimedia Foundation Me... Not Provided 2026-04-07 2026-04-15
CVE-2026-39839 json Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in Wikimedia Foundation Mediawiki... Not Provided 2026-04-07 2026-04-15
CVE-2026-39838 json Not Provided 2026-04-07 2026-04-08
CVE-2026-39837 json Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in WikiWorks Mediawiki - Cargo Ex... Not Provided 2026-04-07 2026-04-15
CVE-2026-34095 json Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Actions/Actio... Not Provided 2026-05-11 2026-05-13
CVE-2026-34094 json Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Page/Article.... Not Provided 2026-05-11 2026-05-18
CVE-2026-34093 json Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerabil... Not Provided 2026-05-11 2026-05-18
CVE-2026-34092 json Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerabil... Not Provided 2026-05-11 2026-05-14
CVE-2026-34091 json Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This issue affec... Not Provided 2026-05-11 2026-05-14
CVE-2026-34090 json Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation CheckUser. This issue affec... Not Provided 2026-05-11 2026-05-14
CVE-2026-34088 json Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This issue affec... Not Provided 2026-05-11 2026-05-14
CVE-2026-34087 json Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation OATHAuth. This issue affect... Not Provided 2026-05-11 2026-05-14
CVE-2025-67484 json Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Api/ApiFormatXm... Not Provided 2026-02-03 2026-04-14
CVE-2025-67483 json Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Founda... Not Provided 2026-02-03 2026-04-09
Results limited to 20 most recent vulnerabilities

Known software with vulnerabilities from Mediawiki

Type Vendor Product Version
ApplicationMediawikiAbusefilter1.19
ApplicationMediawikiCheckuser1.19
ApplicationMediawikiMediawiki-
ApplicationMediawikiMobilefrontend1.31.0
ApplicationMediawikiRssreader0.2
ApplicationMediawikiSkincosmos
ApplicationMediawikiVisual Editor1.34
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