VULNERABILITY INTELLIGENCE

CVE-2021-4073

CVSS score9.8 CRITICAL

EPSS probability6.84%

CISA KEVNot currently listed

Published2021-12-14

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

security@wordfence.com: CWE-287

Primary references

security@wordfence.com — Patch, Third Party Advisory
security@wordfence.com — Exploit, Third Party Advisory
security@wordfence.com — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory