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CVE-2026-96873

Reflected XSS in CirrusSearch debug explain output

MEDIUM
5.5
CVSS Score
Published: September 24, 2026 at 03:27 PM UTC
Updated: September 29, 2026 at 09:14 PM UTC
1 product affected across 1 vendorCirrusSearch

Using Mediawiki - CirrusSearch Extension by The Wikimedia Foundation?

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Mediawiki - CirrusSearch extension allows Reflected XSS. This issue affects Mediawiki - CirrusSearch extension through 1.46.0.

Affected

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

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: cverecord
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CirrusSearch/+/1344368
Source: cverecord
https://phabricator.wikimedia.org/T435234

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.5MEDIUMwikimedia-foundation
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-79

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