CVE-2026-103440: CWE-202 Exposure of sensitive information through data queries in The Wikimedia Foundation MediaWiki PageTriage extension
CVE-2026-103440 is a low-severity vulnerability in the MediaWiki PageTriage extension maintained by The Wikimedia Foundation. It involves exposure of sensitive information through data queries, categorized under CWE-202 (Exposure of Sensitive Information Through Data Queries). The affected versions are 1.43, 1.45, and 1.46. The vulnerability allows information elicitation but has a low CVSS score of 1.2, indicating limited impact. No patch or remediation details are provided in the available data. There are no known exploits in the wild, and this is not a cloud service. The vendor advisory or patch status is not confirmed, so users should check official sources for updates.
AI Analysis
Technical Summary
The MediaWiki PageTriage extension versions 1.43, 1.45, and 1.46 contain a vulnerability (CVE-2026-103440) that exposes sensitive information through data queries, classified as CWE-202. This vulnerability enables information elicitation with a low impact score (CVSS 1.2). The issue has been publicly disclosed but no official patch or fix information is provided in the current data. The vulnerability requires low privileges and user interaction, with partial impact on confidentiality and availability.
Potential Impact
The vulnerability allows an attacker with low privileges and user interaction to elicit sensitive information through data queries in the affected MediaWiki PageTriage extension versions. The impact is limited, reflected by a low CVSS score of 1.2, indicating minimal confidentiality and availability impact. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch information is provided, users should monitor The Wikimedia Foundation's advisories for updates. In the meantime, limit access to the affected extension and apply standard access controls to reduce exposure.
CVE-2026-103440: CWE-202 Exposure of sensitive information through data queries in The Wikimedia Foundation MediaWiki PageTriage extension
Description
CVE-2026-103440 is a low-severity vulnerability in the MediaWiki PageTriage extension maintained by The Wikimedia Foundation. It involves exposure of sensitive information through data queries, categorized under CWE-202 (Exposure of Sensitive Information Through Data Queries). The affected versions are 1.43, 1.45, and 1.46. The vulnerability allows information elicitation but has a low CVSS score of 1.2, indicating limited impact. No patch or remediation details are provided in the available data. There are no known exploits in the wild, and this is not a cloud service. The vendor advisory or patch status is not confirmed, so users should check official sources for updates.
CVSS v4.0
Score 1.2low
Affected software
The Wikimedia Foundation
MediaWiki PageTriage extension
pkg:github/wikimedia/mediawiki-pagetriage-extensionRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The MediaWiki PageTriage extension versions 1.43, 1.45, and 1.46 contain a vulnerability (CVE-2026-103440) that exposes sensitive information through data queries, classified as CWE-202. This vulnerability enables information elicitation with a low impact score (CVSS 1.2). The issue has been publicly disclosed but no official patch or fix information is provided in the current data. The vulnerability requires low privileges and user interaction, with partial impact on confidentiality and availability.
Potential Impact
The vulnerability allows an attacker with low privileges and user interaction to elicit sensitive information through data queries in the affected MediaWiki PageTriage extension versions. The impact is limited, reflected by a low CVSS score of 1.2, indicating minimal confidentiality and availability impact. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch information is provided, users should monitor The Wikimedia Foundation's advisories for updates. In the meantime, limit access to the affected extension and apply standard access controls to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- wikimedia-foundation
- Date Reserved
- 2026-09-30T15:41:01.269Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6abd4b882a4e24523d52ae3d
Added to database: 09/30/2026, 17:48:56 UTC
Last enriched: 09/30/2026, 18:03:31 UTC
Last updated: 09/30/2026, 18:31:57 UTC
Views: 4
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