Improper neutralization of alternate XSS syntax vulnerability in The Wikimedia Foundation Mediawiki - Wikilove Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Wikilove Extension: 1.43.7, 1.44.4, 1.45.2.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact Low

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

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 - Wikilove Extension unaffected
Version Status Constraints
1.43.7 unaffected —
1.44.4 unaffected —
1.45.2 unaffected —

No data.

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/q/Iab86209478a044504f5a6aea0d8c3d14f21c48b3 cve-icon cve-icon
https://phabricator.wikimedia.org/T416502 cve-icon cve-icon
History

Tue, 07 Apr 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 07 Apr 2026 20:45:00 +0000

Type Values Removed Values Added
Description Improper neutralization of alternate XSS syntax vulnerability in The Wikimedia Foundation Mediawiki - Wikilove Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Wikilove Extension: 1.43.7, 1.44.4, 1.45.2.
Title Stored XSS through system messages in WikiLove
Weaknesses CWE-87
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2026-04-07T20:42:44.089Z

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

Link: CVE-2026-22711

cve-icon Vulnrichment

Updated: 2026-04-07T20:40:36.379Z

cve-icon NVD

Status : Received

Published: 2026-04-07T19:16:43.980

Modified: 2026-04-07T19:16:43.980

Link: CVE-2026-22711

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses