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    CVE-2026-116888

    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 a schema whose canonical_name holds script markup, which GroupFormatter renders unescaped in Special:Browse headings, executing JavaScript in viewers' sessions including administrators.

    Published:Oct 27, 2026
    Last Modified:Oct 31, 2026
    EPS:Oct 27, 2026
    EPSS Score:0.00148
    CVSS Score:4.8

    Affected Products

    Vendor
    Semantic-mediawiki
    Product
    Semantic Mediawiki

    Exploits

    https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-fp94-c5vh-cmhphttps://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-fp94-c5vh-cmhp

    Related CVEs

    CVE-2026-116892 (CVSS 5.3) — SemanticMediaWiki from 3.1.0 before 7.3.1 contains a reflected cross-site scripting vulnerability that allows …
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    CVE-2026-116890 (CVSS 6.9) — Semantic MediaWiki from 3.0.0 before 7.3.0 contains a missing authorization vulnerability in the api.php smwta…
    CVE-2026-116889 (CVSS 5.3) — SemanticMediaWiki from 2.5.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows use…
    CVE-2026-116887 (CVSS 5.3) — Semantic MediaWiki from 3.0.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows us…
    CVE-2026-116886 (CVSS 5.3) — Semantic MediaWiki from 2.5.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows us…
    CVE-2026-116885 (CVSS 5.3) — Semantic MediaWiki from 3.1.0 before 7.3.1 contains a reflected cross-site scripting vulnerability in the Spec…
    CVE-2026-116884 (CVSS 5.3) — SemanticMediaWiki from 5.0.0 before 7.3.1 contains a stored cross-site scripting vulnerability in ext.smw.tool…
    CVE-2026-116883 (CVSS 4.8) — Semantic MediaWiki from 3.1.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows au…
    CVE-2026-116882 (CVSS 4.8) — Semantic MediaWiki from 4.2.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows au…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High