CVE-2026-100382

Unauthenticated remote code execution through wikitext in ExternalData

State
Published
Severity
10.0 Critical
Published
Sep 25, 2026
Updated
Sep 26, 2026
Reserved
Sep 25, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
4.010.0 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:Hwikimedia-foundation

Weaknesses

  • CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Affected Products

ProductVersions
Mediawiki - ExternalData ExtensionWikimedia Foundation
  • before 3.7Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.