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CVE-2025-66296
Good to know:
Date: December 1, 2025
Grav is a file-based Web platform. Prior to 1.8.0-beta.27, a privilege escalation vulnerability exists in Grav’s Admin plugin due to the absence of username uniqueness validation when creating users. A user with the create user permission can create a new account using the same username as an existing administrator account, set a new password/email, and then log in as that administrator. This effectively allows privilege escalation from limited user-manager permissions to full administrator access. This vulnerability is fixed in 1.8.0-beta.27.
Severity Score
Related Resources (5)
Severity Score
Weakness Type (CWE)
Incorrect Privilege Assignment
CWE-266Top Fix
Upgrade Version
Upgrade to version getgrav/grav - 1.8.0-beta.27;https://github.com/getgrav/grav.git - 1.8.0-beta.27
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | LOW |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | HIGH |
| Integrity (I): | HIGH |
| Availability (A): | HIGH |