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CVE-2026-116886

5.3 medium SSVC exploitation: none Published
NVD · CVE.org

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 that ExternalIdentifierValue renders unescaped on Special:Browse, executing JavaScript in viewers' sessions, including administrators.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 8

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-27 14:13
  2. StatusPublished → Awaiting AnalysisNVD modified 2026-10-27 15:06
  3. StatusReceived → PublishedNVD modified 2026-10-27 14:13
  4. StatusPublished → ReceivedNVD modified 2026-10-27 14:16
  5. StatusReceived → PublishedNVD modified 2026-10-27 10:26
  6. StatusPublished → ReceivedNVD modified 2026-10-27 11:17
  7. CVSS5.3 (v4.0, CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N) → 5.3 (v4.0, CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)NVD modified 2026-10-27 11:17
  8. First seenCVSS 5.3 · semanticmediawikiNVD modified 2026-10-27 10:26

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 2