An issue was discovered in the ProofreadPage extension for MediaWiki through 1.39.3. It leaks information about a suppressed user via the API and config variables.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

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.

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

Vendor Product Default status Versions
MediaWiki ProofreadPage unaffected
Version Status Constraints
0 affected < 1.35.11
1.36.0 affected < 1.38.7
1.39.0 affected < 1.39.4

No data.

No data.

No data.

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://phabricator.wikimedia.org/T326952 cve-icon cve-icon
History

Mon, 14 Sep 2026 05:30:00 +0000

Type Values Removed Values Added
Description An issue was discovered in the ProofreadPage extension for MediaWiki through 1.39.3. It leaks information about a suppressed user via the API and config variables.
Weaknesses CWE-669
References
Metrics cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-14T05:16:42.353Z

Reserved: 2023-06-29T00:00:00.000Z

Link: CVE-2023-37253

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-14T06:16:53.740

Modified: 2026-09-14T06:16:53.740

Link: CVE-2023-37253

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses