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.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
The Wikimedia Foundation Mediawiki - CirrusSearch Extension unaffected
Version Status Constraints
0 affected ≤ 1.46.0

No data.

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CirrusSearch/+/1344368 cve-icon cve-icon
https://phabricator.wikimedia.org/T435234 cve-icon cve-icon
History

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
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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2026-09-24T15:38:37.941Z

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

Link: CVE-2026-96873

cve-icon Vulnrichment

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

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-96873

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses