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Advisories

Grav before 2.0.14 Privilege Escalation via Group Access Field

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severity
critical
date
Affecting

  • grav >= 0, < 2.0.14

CWE
  • CWE-269 Improper Privilege Management
CVSS
9.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Credit
manus-use
Description
Grav before 2.0.14 fails to guard the access field in the core group blueprint with the required security@: admin.super restriction. A delegated admin.users operator can save a group with access[admin][super]=true to escalate to super-admin, gaining scheduler and Twig evaluation capabilities.

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