by Kastro
Paper/Archive/CVE-2025-4334

CVE-2025-4334

nmedia Simple User Registration — Simple User Registration <= 6.3 - Unauthenticated Privilege Escalation

EPSS 3%CVSS 9.8
critical.is priorityof 100
47
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 85.3.853 × 2017.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

The Simple User Registration plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 6.3. This is due to insufficient restrictions on user meta values that can be supplied during registration. This makes it possible for unauthenticated attackers to register as an administrator.

Affected

ProductAffectedFixed inSource
Simple User Registration≤ 6.3–CNA

Scores by source

Wordfence (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refwordfence.com/threat-intel/vulnerabilities/id/c211e0c0-3086-43d2-853c-489f9c42b0ab?source=cverefplugins.trac.wordpress.org/browser/wp-registration/trunk/inc/classes/class.register.php#L135refplugins.trac.wordpress.org/changeset/3327946