EUVD-2026-83181

Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages. Prior to version 7.2.0, sep was inserted verbatim into HTML cell joins. This made it possible to inject HTML through the separator value. Version 7.2.0 fixes the issue...

CVE-2026-77607 Semantic MediaWiki affected by Special:Ask table `sep` parameter reflected XSS

Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages. Prior to version 7.2.0, sep was inserted verbatim into HTML cell joins. This made it possible to inject HTML through the separator value. Version 7.2.0 fixes the issue...

CVE-2026-77607

Semantic MediaWiki , a free open-source MediaWiki extension, had a reflected XSS vulnerability in versions prior to 7.2.0 . The sep parameter in the Special:Ask table renderer was inserted verbatim into HTML cell joins, allowing an attacker to inject arbitrary HTML through the separator value. Pe...

GHSA-7XV3-GF2G-498H Semantic MediaWiki affected by Special:Ask table `sep` parameter reflected XSS

Failure mode sep was inserted verbatim into the HTML that joins a table cell's values. This made it possible to inject HTML through the separator value. The same unsanitised table HTML is produced both for the standard Special:Ask render and for its raw request output requesttype=raw, so the...

Semantic MediaWiki affected by Special:Ask table `sep` parameter reflected XSS

Failure mode sep was inserted verbatim into the HTML that joins a table cell's values. This made it possible to inject HTML through the separator value. The same unsanitised table HTML is produced both for the standard Special:Ask render and for its raw request output requesttype=raw, so the...

CVE-2026-77608 Semantic MediaWiki has reflected XSS in `Special:SearchByProperty` (`property` and `value` parameters)

Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages. Prior to version 7.2.0, when the value parameter was reflected back into rendered output and error messaging paths without enough output-context encoding. Version 7.2.0...

CVE-2026-77608

Semantic MediaWiki , a free open-source extension to MediaWiki, is affected by a reflected cross-site scripting (XSS) vulnerability in the Special:SearchByProperty page. Prior to version 7.2.0 , the value parameter was reflected into rendered output and error messaging paths without sufficient ou...

CVE-2026-77608 Semantic MediaWiki has reflected XSS in `Special:SearchByProperty` (`property` and `value` parameters)

Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages. Prior to version 7.2.0, when the value parameter was reflected back into rendered output and error messaging paths without enough output-context encoding. Version 7.2.0...

CVE-2026-77608 Semantic MediaWiki has reflected XSS in `Special:SearchByProperty` (`property` and `value` parameters)

Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages. Prior to version 7.2.0, when the value parameter was reflected back into rendered output and error messaging paths without enough output-context encoding. Version 7.2.0...

EUVD-2026-83173

Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages. Prior to version 7.2.0, when the value parameter was reflected back into rendered output and error messaging paths without enough output-context encoding. Version 7.2.0...

GHSA-59XW-QV23-J3RC Semantic MediaWiki has reflected XSS in `Special:SearchByProperty` (`property` and `value` parameters)

Failure mode The value parameter was reflected back into rendered output and error messaging paths without enough output-context encoding. Remediation - The form value is escaped before it is placed back into the input field. - Derived error messages are also escaped before being rendered into...

Semantic MediaWiki has reflected XSS in `Special:SearchByProperty` (`property` and `value` parameters)

Failure mode The value parameter was reflected back into rendered output and error messaging paths without enough output-context encoding. Remediation - The form value is escaped before it is placed back into the input field. - Derived error messages are also escaped before being rendered into...

EUVD-2026-83171

Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages. Prior to version 7.2.0, when headers=plain, table header text was emitted into via a raw HTML path. User-controlled mainlabel content could therefore become executable...

CVE-2026-77606

Semantic MediaWiki , a free open-source extension to MediaWiki, is affected by a reflected XSS vulnerability in Special:Ask when the headers=plain option is used. Table header text was emitted into elements via a raw HTML path , allowing user-controlled mainlabel content to become executable HTM...

CVE-2026-77606 Semantic MediaWiki has reflected XSS in Special:Ask plain table headers

Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages. Prior to version 7.2.0, when headers=plain, table header text was emitted into via a raw HTML path. User-controlled mainlabel content could therefore become executable...

CVE-2026-77606 Semantic MediaWiki has reflected XSS in Special:Ask plain table headers

Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages. Prior to version 7.2.0, when headers=plain, table header text was emitted into via a raw HTML path. User-controlled mainlabel content could therefore become executable...

CVE-2026-77606 Semantic MediaWiki has reflected XSS in Special:Ask plain table headers

Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages. Prior to version 7.2.0, when headers=plain, table header text was emitted into via a raw HTML path. User-controlled mainlabel content could therefore become executable...

GHSA-3JP5-3H47-28QF Semantic MediaWiki has reflected XSS in Special:Ask plain table headers

Failure mode When headers=plain, table header text was emitted into via a raw HTML path. User-controlled mainlabel content could therefore become executable HTML. Remediation - TableResultPrinter now applies output-context escaping before passing plain headers to the table renderer. - The fix is...

Semantic MediaWiki has reflected XSS in Special:Ask plain table headers

Failure mode When headers=plain, table header text was emitted into via a raw HTML path. User-controlled mainlabel content could therefore become executable HTML. Remediation - TableResultPrinter now applies output-context escaping before passing plain headers to the table renderer. - The fix is...

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...