Exposure of Sensitive Information to an Unauthorized Actor vulnerability in The Wikimedia Foundation Mediawiki - CheckUser Extension allows Footprinting.This issue affects Mediawiki - CheckUser Extension: from master before 1.39.

Metrics

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.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Mediawiki
  • Checkuser
  • Mediawiki

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors Products
Mediawiki
  • Checkuser
  • Mediawiki
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/I65c740c8ca5130b40463d687e2f0775951abbf22 cve-icon cve-icon
https://gerrit.wikimedia.org/r/q/Idac164418362c65d0ad37055fe9e0ad134197da3 cve-icon cve-icon
https://phabricator.wikimedia.org/T399627 cve-icon cve-icon
History

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

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

Tue, 21 Oct 2025 04:00:00 +0000

Type Values Removed Values Added
Description Exposure of Sensitive Information to an Unauthorized Actor vulnerability in The Wikimedia Foundation Mediawiki - CheckUser Extension allows Footprinting.This issue affects Mediawiki - CheckUser Extension: from master before 1.39.
Title Special:Translate tool do not use the correct IP and User-Agent in the CheckUser tool
Weaknesses CWE-200
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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2025-10-21T03:48:50.423Z

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

Link: CVE-2025-62699

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2025-10-21T04:16:07.617

Modified: 2025-10-21T04:16:07.617

Link: CVE-2025-62699

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-10-21T09:39:27Z