CVE-2026-100382 (GCVE-0-2026-100382)

Vulnerability from cvelistv5 – Published: 2026-09-25 21:04 – Updated: 2026-09-25 21:04
VLAI
Title
Unauthenticated remote code execution through wikitext in ExternalData
Summary
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.
Severity
10 (Critical)
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
CWE
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
Impacted products
Vendor Product Version CPE status
Wikimedia Foundation Mediawiki - ExternalData Extension Affected: * , < 3.7 (custom)
guessed Create a notification for this product.
Credits
SomeRandomDeveloper
Show details on NVD website
To clipboard 

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          "product": "Mediawiki - ExternalData Extension",
          "repo": "https://gerrit.wikimedia.org/g/mediawiki/extensions/ExternalData/+/refs/heads/master",
          "vendor": "Wikimedia Foundation",
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            }
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            }
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        }
      ],
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        "dateUpdated": "2026-09-25T21:04:02.848Z",
        "orgId": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
        "shortName": "wikimedia-foundation"
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        }
      ],
      "source": {
        "discovery": "UNKNOWN"
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      "title": "Unauthenticated remote code execution through wikitext in ExternalData",
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    "dateReserved": "2026-09-25T19:28:16.149Z",
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}



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