CRITICAL 10.0 NVD

CVE-2026-100382

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

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.

References

Published: 2026-09-25 · Source: NVD · Feed updated: 2026-09-25

This critical severity vulnerability with a CVSS score of 10.0 was published on 2026-09-25 via NVD.

Risk Timeline

CVE Disclosed2026-09-25 · -1 days ago

Remediation Resources

Analysis & PoC

gerrit.wikimedia.org/r/c/mediawiki/extensions/ExternalData/+/1326012

Analysis & PoC

phabricator.wikimedia.org/T434961

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