Exposure of sensitive information through data queries vulnerability in The Wikimedia Foundation MediaWiki PageTriage extension allows Information Elicitation.

This issue affects MediaWiki PageTriage extension: 1.46, 1.45, and 1.43.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements Present

User Interaction Passive

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.

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 PageTriage extension unaffected
Version Status Constraints
1.46 affected —
1.45 affected —
1.43 affected —

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://gerrit.wikimedia.org/r/q/I4bdd5f5be95ed5d02c504784fb31da4e5de59da6 cve-icon cve-icon
https://phabricator.wikimedia.org/T435623 cve-icon cve-icon
History

Wed, 30 Sep 2026 17:45:00 +0000

Type Values Removed Values Added
Description Exposure of sensitive information through data queries vulnerability in The Wikimedia Foundation MediaWiki PageTriage extension allows Information Elicitation. This issue affects MediaWiki PageTriage extension: 1.46, 1.45, and 1.43.
Title pagetriagelist discloses suppressed reviewer usernames
Weaknesses CWE-202
References
Metrics cvssV4_0

{'score': 1.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/S:N/AU:Y/R:U/V:D/RE:M/U:Amber'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2026-09-30T17:38:27.374Z

Reserved: 2026-09-30T15:41:01.269Z

Link: CVE-2026-103440

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-30T18:18:16.727

Modified: 2026-09-30T19:05:23.307

Link: CVE-2026-103440

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses