RegistrationMagic <= 5.0.1.7 Authentication Bypass
Vulnerability Description
The RegistrationMagic WordPress plugin made it possible for unauthenticated users to log in as any site user, including administrators, if they knew a valid username on the site due to missing identity validation in the social login function social_login_using_email() of the plugin. This affects versions equal to, and less than, 5.0.1.7.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-4073
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Chloe Chamberland, Wordfence
- Marco Wotschka, Wordfence
- AyeCode Ltd
References
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-4073
- https://plugins.trac.wordpress.org/changeset/2635173/custom-registration-form-builder-with-submission-manager/trunk/services/class_rm_user_services.php
- https://www.wordfence.com/blog/2021/12/authentication-bypass-vulnerability-patched-in-user-registration-plugin/
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