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Advisories

Craft CMS before 5.11.0 PII Disclosure via GraphQL User Relations

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severity
medium
date
Affecting

  • cms >= 5.0.0-RC1, < 5.11.0

CWE
  • CWE-285 Improper Authorization
CVSS
5.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Description
Craft CMS before 5.11.0 fails to enforce user-group scope filters on native GraphQL user relations including author, authors, uploader, draftCreator, and revisionCreator fields. Attackers with a scoped GraphQL token can query these relations to read usernames, email addresses, and full names of any content author or uploader including administrators.

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