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Advisories

Ghost 0.5.0 before 6.62.0 Arbitrary Email Registration via Staff Invite

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severity
medium
date
Affecting

  • Ghost >= 0.5.0, < 6.62.0

CWE
  • CWE-807 Reliance on Untrusted Inputs in a Security Decision
CVSS
5.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Credit
unknownhad, doanmanhducz, EclipsSec
Description
Ghost versions before 6.62.0 contain an authentication bypass vulnerability in staff invite acceptance that allows users to specify any email address when creating their account. Attackers can accept leaked invite tokens with attacker-controlled email addresses, or legitimate recipients can register with unintended email providers.

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