CVEvulnerability
CVE-2021-4073
8.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-12-14
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 8.1 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-287
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.
Affected configurations
• metagauss registrationmagic (<= 5.0.1.7)
Related
Weakness · CWE (1)
- CWE-287 Improper Authentication weakness
References
- https://plugins.trac.wordpress.org/changeset/2635173/custom-registration-form-builder-with-submission-manager/trunk/services/class_rm_user_services.php Patch, Third Party Advisory
- https://www.wordfence.com/blog/2021/12/authentication-bypass-vulnerability-patched-in-user-registration-plugin/ Exploit, Third Party Advisory
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-4073 Third Party Advisory
- https://plugins.trac.wordpress.org/changeset/2635173/custom-registration-form-builder-with-submission-manager/trunk/services/class_rm_user_services.php Patch, Third Party Advisory
- https://www.wordfence.com/blog/2021/12/authentication-bypass-vulnerability-patched-in-user-registration-plugin/ Exploit, Third Party Advisory
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-4073 Third Party Advisory