SemanticMediaWiki vulnerabilities
CVEs whose affected-version data names the SemanticMediaWiki package (composer). Each record lists the affected and patched versions; check a specific version with the dependency checker or POST /api/sbom.
25 CVEsRSS
CVE-2026-116878High· 7.5Semantic MediaWiki 2.5.0 before 7.3.1 Resource Exhaustion via Special:PropertyLabelSimilarity
Semantic MediaWiki from 2.5.0 before 7.3.1 contains an uncontrolled resource consumption vulnerability that allows anonymous attackers to force quadratic computation by supplying a zero limit to Special:PropertyLabelSimilarity. Attackers…
CVE-2026-116890High· 7.3Semantic MediaWiki 3.0.0 before 7.3.0 Missing Authorization via smwtask API
Semantic MediaWiki from 3.0.0 before 7.3.0 contains a missing authorization vulnerability in the api.php smwtask module that allows unauthenticated attackers to run admin-only maintenance tasks. Attackers can use the public anonymous CSR…
CVE-2026-116874Medium· 6.1SemanticMediaWiki 3.1.0 before 7.3.1 Reflected XSS via JsonResultPrinter Default Parameter
SemanticMediaWiki from 3.1.0 before 7.3.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts through the unescaped default parameter in JsonResultPrinter. Attackers can lure vi…
CVE-2026-116882Medium· 4.8Semantic MediaWiki 4.2.0 before 7.3.1 Stored XSS via FacetedSearch Exploration Labels
Semantic MediaWiki from 4.2.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows authenticated profile or schema editors to inject HTML through FacetedSearch exploration-link labels. Attackers can store markup …
CVE-2026-116886Medium· 5.4Semantic MediaWiki before 7.3.1 Stored XSS via External Identifier in Special:Browse
Semantic MediaWiki from 2.5.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows users with page-edit rights to inject scripts via External identifier property values. Attackers can annotate markup payloads tha…
CVE-2026-116891Medium· 6.1SemanticMediaWiki 4.2.0 before 7.2.1 Reflected XSS via Special:FacetedSearch cstate
SemanticMediaWiki from 4.2.0 before 7.2.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject HTML via unescaped cstate parameters in Special:FacetedSearch. Attackers can craft URLs wit…
CVE-2026-116892Medium· 6.1SemanticMediaWiki 3.1.0 before 7.3.1 Reflected XSS via Special:Search smw Profile
SemanticMediaWiki from 3.1.0 before 7.3.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject markup through the search parameter of the extended Special:Search profile. Attackers can s…
CVE-2026-116888Medium· 4.8SemanticMediaWiki 3.2.0 before 7.3.1 Stored XSS via Special:Browse Group Heading
SemanticMediaWiki from 3.2.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows users with the smw-schemaedit right to inject markup through an unescaped property group schema canonical_name. Attackers can save…
CVE-2026-116883Medium· 4.8Semantic MediaWiki 3.1.0 before 7.3.1 Stored XSS via Schema Descriptions
Semantic MediaWiki from 3.1.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows authenticated schema editors to inject HTML through schema descriptions. Attackers with the smw-schemaedit permission can save HT…
CVE-2026-116885Medium· 6.1Semantic MediaWiki before 7.3.1 Reflected XSS via Special:SMWAdmin id Parameter
Semantic MediaWiki from 3.1.0 before 7.3.1 contains a reflected cross-site scripting vulnerability in the Special:SMWAdmin ID lookup that allows unauthenticated attackers to inject markup through the unescaped id parameter. Attackers can…
CVE-2026-116884Medium· 6.1SemanticMediaWiki 5.0.0 before 7.3.1 Stored XSS via Tooltip Module data-* Attributes
SemanticMediaWiki from 5.0.0 before 7.3.1 contains a stored cross-site scripting vulnerability in ext.smw.tooltip.tippy.js that renders data-* attributes via innerHTML with allowHTML enabled. Editors can plant a .smw-highlighter span wit…
CVE-2026-116881Medium· 6.1Semantic MediaWiki 3.0.0 before 7.3.1 XSS via Property-Value Autocomplete
Semantic MediaWiki from 3.0.0 before 7.3.1 contains a cross-site scripting vulnerability that allows attackers to inject markup by storing malicious semantic property values rendered unescaped in autocomplete suggestions. When another us…
CVE-2026-116889Medium· 6.1SemanticMediaWiki 2.5.0 before 7.3.1 Stored XSS via Special:Browse Code Property
SemanticMediaWiki from 2.5.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows users with page-edit rights to inject script through Code-typed property values. Attackers can annotate a valid JSON value embeddi…
CVE-2026-116880High· 7.1Semantic MediaWiki 3.0.0 before 7.3.1 CSRF via Special:SMWAdmin Maintenance Actions
Semantic MediaWiki from 3.0.0 before 7.3.1 contains a cross-site request forgery vulnerability in Special:SMWAdmin because it overwrites the wpEditToken with a freshly generated valid token. Attackers can lure an authenticated smw-admin …
CVE-2026-116876High· 7.1Semantic MediaWiki 2.5.0 before 7.3.1 Missing Authorization via Is edit protected
Semantic MediaWiki from 2.5.0 before 7.3.1 contains an improper authorization vulnerability that allows ordinary editors to permanently protect pages by adding an Is edit protected annotation. When $smwgEditProtectionRight is enabled, Ed…
CVE-2026-116887Medium· 5.4Semantic MediaWiki 3.0.0 before 7.3.1 Stored XSS via Special:Browse Keyword Property
Semantic MediaWiki from 3.0.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows users with page-edit rights to inject HTML through Keyword-typed property values rendered unescaped on Special:Browse. Attackers …
CVE-2026-116877Medium· 6.5Semantic MediaWiki 2.5.0 before 7.3.1 Resource Exhaustion via #set_recurring_event
Semantic MediaWiki from 2.5.0 before 7.3.1 contains an uncontrolled resource consumption vulnerability that allows low-privilege editors to bypass smwgMaxNumRecurringEvents by supplying a large limit parameter. Attackers can save pages u…
CVE-2026-116879Medium· 5.4Semantic MediaWiki 7.3.0 before 7.3.1 Missing Authorization via smwtask Update Task
Semantic MediaWiki from 7.3.0 before 7.3.1 contains a missing authorization vulnerability in the smwtask update task that allows users with edit rights to force semantic updates on arbitrary pages. Attackers can supply a serialized subje…
CVE-2026-116875Medium· 6.1SemanticMediaWiki 3.0.0 before 7.3.1 Reflected XSS via Special:Ask Separator Parameters
SemanticMediaWiki from 3.0.0 before 7.3.1 contains a reflected cross-site scripting vulnerability in Special:Ask, which outputs separator parameters (sep, propsep, valuesep, delim, separator) without HTML escaping in list, category, DSV,…
CVE-2026-116871High· 7.5Semantic MediaWiki 3.0.0 before 7.3.1 Uncontrolled Recursion via Special:Ask
Semantic MediaWiki 3.0.0 before 7.3.1 contains an uncontrolled recursion vulnerability in LegacyParser::getSubqueryDescription() that processes nested query tokens before depth limits apply. Unauthenticated attackers can submit deeply ne…
CVE-2026-116872High· 7.5Semantic MediaWiki 3.0.0 before 7.3.1 Denial of Service via Special:Search Compact Filters
Semantic MediaWiki from 3.0.0 before 7.3.1 contains an algorithmic complexity vulnerability in TermParser::normalize_compact_form() that allows unauthenticated attackers to cause quadratic CPU consumption. Attackers can submit long searc…
CVE-2026-116873High· 7.3Semantic MediaWiki 7.3.0 Missing Authorization via smwtask API run-joblist and update
Semantic MediaWiki from 7.3.0 before 7.3.1 contains a missing authorization vulnerability in the smwtask API module that allows unauthenticated attackers to run queued jobs and force store updates. Attackers can use the public anonymous …
CVE-2026-77610Medium· 6.1Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages
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, query debug output (`format=debug`, or the `debug` request parameter on `Special:Ask`)…
CVE-2026-77607Medium· 6.1Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages
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…
CVE-2026-77608Medium· 6.1Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages
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…