What’s Vulnerable › Vulnerabilities

CVE-2026-116892: SemanticMediaWiki 3.1.0 before 7.3.1 Reflected XSS via Special:Search smw Profile

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-10-27 · updated 2026-10-31
• Weakness: CWE-79

Description

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 send visitors crafted URLs using the smw profile with SVG event handlers, which ProfileForm::profile_sheet inserts unescaped into a pre element, executing script in the wiki origin.

Affected products

• Semantic-Mediawiki Semantic Mediawiki: from 3.1.0 before 7.3.1 — fixed in 7.3.1
• SemanticMediaWiki: from 3.1.0 before 7.3.1 — fixed in 7.3.1

How to fix

Upgrade to a fixed version: Semantic-Mediawiki Semantic Mediawiki 7.3.1; SemanticMediaWiki 7.3.1. Check the vendor advisory for mitigations.

References

• https://github.com/SemanticMediaWiki/SemanticMediaWiki/commit/a77e592320707499769c9386a33d97bc966d9418
• https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-375v-wx2r-4598
• https://www.vulncheck.com/advisories/semanticmediawiki-3.1.0-before-7.3.1-reflected-xss-via-special-search-smw-profile
• https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-375v-wx2r-4598

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