Vulnerability DatabaseCVE-2026-100382
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CVE-2026-100382
Published:September 25, 2026
Updated:October 22, 2026
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.
Affected Packages
https://github.com/wikimedia/mediawiki-extensions-ExternalData.git (GITHUB):
Affected version(s) >=1.4.1 <3.7
Fix Suggestion:
Update to version 3.7
Related Resources (3)
https://nvd.nist.gov/vuln/detail/CVE-2026-100382
https://phabricator.wikimedia.org/T434961
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/ExternalData/+/1326012
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CVSS v4
Base Score:
10
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
10
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-78
EPSS
Base Score:
0.95