{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-116883", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-27T01:01:43.272Z", "datePublished": "2026-10-27T10:23:34.396Z", "dateUpdated": "2026-10-27T10:26:46.130Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-27T10:26:46.130Z"}, "datePublic": "2026-09-28T00:00:00.000Z", "title": "Semantic MediaWiki 3.1.0 before 7.3.1 Stored XSS via Schema Descriptions", "descriptions": [{"lang": "en", "value": "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 HTML that is passed unescaped to Html::rawElement() in HtmlBuilder, altering pages and targeting users who view the schema."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "cweId": "CWE-79", "type": "CWE"}]}], "affected": [{"vendor": "SemanticMediaWiki", "product": "SemanticMediaWiki", "defaultStatus": "unaffected", "versions": [{"version": "3.1.0", "status": "affected", "versionType": "semver", "lessThan": "7.3.1"}, {"version": "7.3.1", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:*:*:*:*:*:mediawiki:*:*", "versionStartIncluding": "3.1.0", "versionEndExcluding": "7.3.1"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-2xr9-cr6h-wr6m", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-2xr9-cr6h-wr6m)"}, {"name": "VulnCheck Advisory: Semantic MediaWiki 3.1.0 before 7.3.1 Stored XSS via Schema Descriptions", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/semantic-mediawiki-3.1.0-before-7.3.1-stored-xss-via-schema-descriptions"}], "credits": [{"lang": "en", "value": "AlpetGexha", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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