EUVD-2026-90662
GHSA-m47h-25hm-c3r9
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-reachable reset flow, low complexity, no UI; PR:L because the attacker must hold suspended staff credentials; full C/I/A reflects regained staff privileges for a potentially admin-level account.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
5DescriptionCVE.org
Ghost versions before 6.62.0 contain an authentication bypass vulnerability that allows suspended staff users to reactivate their accounts through self-service password reset. Attackers with suspended staff credentials can perform password reset operations to regain active account access and restore their original privileges.
Articles & Coverage 1
AnalysisAI
Suspended staff accounts in Ghost CMS can be reactivated through the self-service password reset flow, allowing a suspended user to restore their account and its original privileges in all versions before 6.62.0. The issue is an authenticated, post-login authorization gap rather than an anonymous takeover: the attacker must already hold valid credentials for a staff account that an administrator has suspended, which makes this primarily an insider, offboarding, or stolen-credential threat. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to already hold valid credentials for a Ghost staff account that has been SUSPENDED (PR:L) - this is the defining prerequisite and makes it an insider/offboarding or compromised-credential threat, not an anonymous external one. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a moderate-to-serious authorization flaw whose real-world risk is gated by a meaningful precondition rather than being broadly wormable. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Vendor-released patch: upgrade Ghost to 6.62.0 or later, which enforces the suspended account state throughout the self-service password reset flow; see the GitHub advisory GHSA-q734-xjgc-vpj9 (https://github.com/TryGhost/Ghost/security/advisories/GHSA-q734-xjgc-vpj9) and the VulnCheck advisory (https://www.vulncheck.com/advisories/ghost-1.0.0-before-6.62.0-suspension-bypass-via-password-reset) for the exact fixed version. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Ghost CMS instances and identify any version prior to 6.62.0; apply the vendor-released patch 6.62.0 immediately where possible, and if immediate upgrade is not feasible, temporarily disable or tightly monitor self-service password reset for suspended staff accounts. …
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Same weakness CWE-862 – Missing Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
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