User Role Editor <= 4.64.3 - Cross-Site Request Forgery to Privilege Escalation
Vulnerability Description
The User Role Editor plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 4.64.3. This is due to missing or incorrect nonce validation on the update_roles() function. This makes it possible for unauthenticated attackers to add or remove roles for arbitrary users, including escalating their privileges to administrator, via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- vgo0
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/6f359d02-d4ce-4045-9e79-ae0f92b84766?source=cve
- https://plugins.trac.wordpress.org/browser/user-role-editor/trunk/includes/classes/grant-roles.php#L184
- https://plugins.trac.wordpress.org/browser/user-role-editor/trunk/includes/classes/grant-roles.php#L187
- https://wordpress.org/plugins/user-role-editor/#developers
- https://plugins.trac.wordpress.org/changeset/3208193/
Affected Vendor
shinephp
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