CVE-2026-100382 Unauthenticated remote code execution through wikitext in ExternalData

Improper Neutralization of Special Elements used in an OS Command 'OS Command Injection' vulnerability in Wikimedia Foundation Mediawiki - ExternalData Extension allows OS Command Injection. This issue affects Mediawiki - ExternalData Extension: from before 3.7...

PT-2026-99126

Name of the Vulnerable Software and Affected Versions Mediawiki - ExternalData Extension versions prior to 3.7 Description An OS Command Injection issue exists in the ExternalData extension, which allows unauthenticated remote code execution through wikitext. This occurs due to the improper...

CVE-2025-61682

Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages. Versions starting in 3.1.0 and prior to 7.0.0 insert the unsanitized value of a data attribute into the DOM as HTML, allowing for stored XSS through wikitext. Version 7.0...

CVE-2025-61682 Semantic MediaWiki vulnerable to stored XSS through wikitext via improper use of non-reserved data attributes

Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages. Versions starting in 3.1.0 and prior to 7.0.0 insert the unsanitized value of a data attribute into the DOM as HTML, allowing for stored XSS through wikitext. Version 7.0...

CVE-2025-61682 Semantic MediaWiki vulnerable to stored XSS through wikitext via improper use of non-reserved data attributes

Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages. Versions starting in 3.1.0 and prior to 7.0.0 insert the unsanitized value of a data attribute into the DOM as HTML, allowing for stored XSS through wikitext. Version 7.0...

EUVD-2025-210943

Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages. Versions starting in 3.1.0 and prior to 7.0.0 insert the unsanitized value of a data attribute into the DOM as HTML, allowing for stored XSS through wikitext. Version 7.0...

CVE-2025-61682 Semantic MediaWiki vulnerable to stored XSS through wikitext via improper use of non-reserved data attributes

Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages. Versions starting in 3.1.0 and prior to 7.0.0 insert the unsanitized value of a data attribute into the DOM as HTML, allowing for stored XSS through wikitext. Version 7.0...

CVE-2025-61682

Semantic MediaWiki , a free open-source extension to MediaWiki, is vulnerable to stored XSS through wikitext in versions 3.1.0 through 6.x (prior to 7.0.0). The root cause is the insertion of the unsanitized value of a data attribute into the DOM as HTML, enabling attackers to inject malicious sc...

GHSA-HG8H-557G-Q8PP Semantic MediaWiki vulnerable to stored XSS through wikitext via improper use of non-reserved data attributes

Summary The SemanticMediaWiki extension inserts the unsanitized value of a data attribute into the DOM as HTML, allowing for stored XSS through wikitext. Details In ext.smw.js, the data-subtab attribute of all elements with the smw-subtab class is parsed as JSON and appended to the innerHTML of t...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via improper handling of the data-subtab attribute in elements with the smw-subtab class. An attacker can inject arbitrary HTML and execute JavaScript by crafting malicious wikitext that is parsed and inserted...

CVE-2025-61682: Improper Neutralization of Input During Web Page Generation

Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages. Versions starting in 3.1.0 and prior to 7.0.0 insert the unsanitized value of a data attribute into the DOM as HTML, allowing for stored XSS through wikitext. Version 7.0...

CVE-2026-52854

Maps is a MediaWiki extension that enables visualization of geographic data through dynamic embedded maps. Prior to version 12.1.3, the displaymap parser function in the Leaflet service accepts attacker-controlled HTML in the overlays parameter, and resources/leaflet/jquery.leaflet.js uses the...

mediawiki/maps has stored XSS through the overlays parameter in the display_map parser function

Summary Stored XSS through wikitext can be performed by inserting malicious HTML into the overlays parameter of the displaymap parser function when using the leaflet service. Details The maps extension doesn't escape overlay names before passing them to leaflet. Leaflet then inserts them as HTML:...

CVE-2025-67479 Magic word replacement in legacy parser allows using reserved data attributes through wikitext

Vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation Cite. This vulnerability is associated with program files includes/Parser/CoreParserFunctions.Php, includes/Parser/Sanitizer.Php. This issue affects MediaWiki: from before 1.39.14, 1.43.4, 1.44.1; Cite: from before 1.39.14,...

CVE-2025-67479 Magic word replacement in legacy parser allows using reserved data attributes through wikitext

Vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation Cite. This vulnerability is associated with program files includes/Parser/CoreParserFunctions.Php, includes/Parser/Sanitizer.Php. This issue affects MediaWiki: from before 1.39.14, 1.43.4, 1.44.1; Cite: from before 1.39.14,...

CVE-2025-67479

CVE-2025-67479 is a MediaWiki vulnerability (Cite context) involving magic word replacement in the legacy parser that allows using reserved data attributes via wikitext. Affected are MediaWiki releases before 1.39.14, 1.43.4, and 1.44.1; Cite module is also listed as affected. Debian LTS advisory...

CVE-2025-6590

CVE-2025-6590 concerns MediaWiki. The vulnerability allows an unauthorized actor to disclose sensitive information via the program file includes/htmlform/fields/HTMLUserTextField.Php, affecting MediaWiki versions from any up to 1.39.12, 1.42.76, 1.43.1, and 1.44.0. The Red Hat description confirm...

CVE-2025-6590 Complete content leak of private wikis due to PasswordReset Wikitext injection in error message

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLUserTextField.Php. This issue affects MediaWiki: from through 1.39.12, 1.42.76 1.43.1, 1.44.0...

CVE-2025-6590 Complete content leak of private wikis due to PasswordReset Wikitext injection in error message

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLUserTextField.Php. This issue affects MediaWiki: from through 1.39.12, 1.42.76 1.43.1, 1.44.0...

Cross-site Scripting (XSS)

starcitizenwiki/embedvideo is vulnerable to Cross-site Scripting XSS. The vulnerability is due to improper restriction of HTML attributes in the video embedding functionality, which allows an attacker to inject and execute arbitrary web scripts through crafted wikitext...