CVE-2026-116874

SemanticMediaWiki 3.1.0 before 7.3.1 Reflected XSS via JsonResultPrinter Default Parameter

MEDIUM
6.1
CVSS Score
Published: October 27, 2026 at 10:23 AM UTC
Updated: October 28, 2026 at 03:30 PM UTC
1 product affected across 1 vendorSemantic MediaWiki

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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 victims to a crafted Special:Ask link with a zero-result query and request_type=special_page, executing JavaScript in the wiki origin to steal sessions or CSRF tokens.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

3.1.0 ≤ v < 7.3.1
Vendor states this is fixed in 7.3.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79

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