CVE-2026-96873 - Vulnerability Details - OpenCVE

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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Wikimedia	Mediawiki-cirrussearch Extension

No data.

No data.

References

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

History

Sun, 27 Sep 2026 12:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Wikimedia Wikimedia mediawiki-cirrussearch Extension
Vendors & Products		Wikimedia Wikimedia mediawiki-cirrussearch Extension

Thu, 24 Sep 2026 16:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 24 Sep 2026 15:30:00 +0000

Type	Values Removed	Values Added
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.
Title		Reflected XSS in CirrusSearch debug explain output
Weaknesses		CWE-79
References		https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CirrusSearch/+/1344368 https://phabricator.wikimedia.org/T435234
Metrics		cvssV4_0 `{'score': 5.5, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P'}`

MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published: 2026-09-24T15:27:31.697Z

Updated: 2026-09-29T21:14:12.801Z

Reserved: 2026-09-23T18:13:31.629Z

Link: CVE-2026-96873

Vulnrichment

Updated: 2026-09-24T15:38:34.171Z

NVD

Status : Awaiting Analysis

Published: 2026-09-24T16:17:28.040

Modified: 2026-09-24T20:02:50.260

Link: CVE-2026-96873

Redhat

No data.

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