CVE-2025-4334
9.8
CRITICAL · CVSS 3.1 · EPSS 2.6% (pctl 85)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 2.59% — more likely to be exploited than 85% of all CVEs |
| Weakness | CWE-269 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2025-06-26 |
| Last modified | 2026-08-11 |
Affected (1)
| Vendor | Product |
|---|---|
| najeebmedia | memberhero |
References
→ the Explorer · watch your stack · NVD