Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - Monaco Skin allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Monaco Skin: 1.45, 1.44, 1.43, 1.39.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction Passive

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00023.

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 - Monaco Skin unaffected
Version Status Constraints
1.45 affected
—
1.44 affected
—
1.43 affected
—
1.39 affected
—

No data.

No data.

Vendor Product Confidence Versions
Mediawiki Mediawiki — —
Wikimedia Mediawiki-monaco Skin — —

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Tracking

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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/q/I00b2e369fa189803380ca7409022a11b670d2500 cve-icon cve-icon
https://phabricator.wikimedia.org/T411126 cve-icon cve-icon
History

Fri, 09 Jan 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Fri, 09 Jan 2026 13:30:00 +0000

Type Values Removed Values Added
First Time appeared Mediawiki
Mediawiki mediawiki
Wikimedia
Wikimedia mediawiki-monaco Skin
Vendors & Products Mediawiki
Mediawiki mediawiki
Wikimedia
Wikimedia mediawiki-monaco Skin

Fri, 09 Jan 2026 00:00:00 +0000

Type Values Removed Values Added
Description Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - Monaco Skin allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Monaco Skin: 1.45, 1.44, 1.43, 1.39.
Title i18n XSS, DoS and config SQLI in Monaco
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 2.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2026-01-09T19:17:41.872Z

Reserved: 2026-01-08T23:23:42.385Z

Link: CVE-2026-22714

cve-icon Vulnrichment

Updated: 2026-01-09T19:17:38.745Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-09T00:15:46.130

Modified: 2026-01-13T14:03:46.203

Link: CVE-2026-22714

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-09T13:24:10Z

Weaknesses