Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Wikimedia Foundation Mediawiki - ExternalData Extension allows OS Command Injection.

This issue affects Mediawiki - ExternalData Extension: from * before 3.7.

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Fixes

Solution

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Workaround

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History

Sun, 27 Sep 2026 12:15:00 +0000

Type Values Removed Values Added
First Time appeared Wikimedia
Wikimedia mediawiki - Externaldata Extension
Vendors & Products Wikimedia
Wikimedia mediawiki - Externaldata Extension

Sat, 26 Sep 2026 23:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 25 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
Description Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Wikimedia Foundation Mediawiki - ExternalData Extension allows OS Command Injection. This issue affects Mediawiki - ExternalData Extension: from * before 3.7.
Title Unauthenticated remote code execution through wikitext in ExternalData
Weaknesses CWE-78
References
Metrics cvssV4_0

{'score': 10, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2026-09-26T22:51:17.735Z

Reserved: 2026-09-25T19:28:16.149Z

Link: CVE-2026-100382

cve-icon Vulnrichment

Updated: 2026-09-26T22:48:15.655Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-25T22:17:10.150

Modified: 2026-09-28T16:38:10.183

Link: CVE-2026-100382

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-27T11:43:19Z

Weaknesses