Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - WikiLove Extension allows Stored XSS.This issue affects Mediawiki - WikiLove Extension: 1.39.

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.

The EPSS score is 0.00067.

Exploitation poc

Automatable yes

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
1.39 affected —

No data.

No data.

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Vendors Products
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Project Subscriptions

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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/c/1191439 cve-icon cve-icon
https://gerrit.wikimedia.org/r/q/I17fc061112f61b4c37b772410b265df060819416 cve-icon cve-icon
https://phabricator.wikimedia.org/T400525 cve-icon cve-icon cve-icon
History

Tue, 21 Oct 2025 20:00:00 +0000

Type Values Removed Values Added
References

Tue, 21 Oct 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 21 Oct 2025 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Mediawiki
Mediawiki mediawiki
Vendors & Products Mediawiki
Mediawiki mediawiki

Tue, 21 Oct 2025 04:45:00 +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 - WikiLove Extension allows Stored XSS.This issue affects Mediawiki - WikiLove Extension: 1.39.
Title Stored XSS through a system message
Weaknesses CWE-79
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: 2025-10-21T19:49:02.351Z

Reserved: 2025-10-20T17:42:38.150Z

Link: CVE-2025-62694

cve-icon Vulnrichment

Updated: 2025-10-21T13:42:27.307Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-10-21T05:15:55.760

Modified: 2025-10-21T20:20:55.990

Link: CVE-2025-62694

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-10-21T09:39:31Z

Weaknesses