CVE-2021-4073

high-risk
Published 2021-12-14

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.

Do I need to act?

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68.9% chance of exploitation in next 30 days
EPSS score — higher than 31% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Metagauss

References (6)

Patch https://plugins.trac.wordpress.org/changeset/2635173/custom-registration-form-bu...
Exploit https://www.wordfence.com/blog/2021/12/authentication-bypass-vulnerability-patch...
Third Party Advisory https://www.wordfence.com/vulnerability-advisories/#CVE-2021-4073
Patch https://plugins.trac.wordpress.org/changeset/2635173/custom-registration-form-bu...
Exploit https://www.wordfence.com/blog/2021/12/authentication-bypass-vulnerability-patch...
Third Party Advisory https://www.wordfence.com/vulnerability-advisories/#CVE-2021-4073
56
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 19/34 · Moderate
Exposure 5/34 · Minimal