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Case File

CVE-2021-34621

CRITICAL · CVSS 9.8 EPSS 68.86% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-07-07 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It affects WordPress. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 68.9% probability of exploitation in the next 30 days.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-34621
Severity
CRITICAL
CVSS
9.8
EPSS
68.86%
WordPress

Original NVD Description

A vulnerability in the user registration component found in the ~/src/Classes/RegistrationAuth.php file of the ProfilePress WordPress plugin made it possible for users to register on sites as an administrator. This issue affects versions 3.0.0 - 3.1.3. .

Related CVEs

Other vulnerabilities affecting the same vendor(s)