Simple User Registration <= 6.3 - Unauthenticated Privilege Escalation
Priority MEDIUM 54CWE-269Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-269.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02588 85th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| nmedia | Simple User Registration | up to 6.3 | — | No fix listed | CNA |
- Simple User Registration Vendornmedia Affected up to 6.3 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:najeebmedia:memberhero:*:*:*:*:*:wordpress:*:* | up to 6.3 | Vulnerable | Najeebmedia |
- cpe:2.3:a:najeebmedia:memberhero:*:*:*:*:*:wordpress:*:* Versions up to 6.3 Vulnerable ·Najeebmedia
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-4334
- 2026-10-03 Alias added: GHSA-6hwf-c64w-jxc6
References
More nmedia vulnerabilities
- TI-2016-09162 Frontend File Manager < 4.0 & N-Media Post Front-end Form < 1.1 & - Arbitrary File Upload CVSS 3.1CRITICAL 9.8
- TI-2024-22153 WordPress OrderConvo plugin <= 12.4 - Unauthenticated API Access to Arbitrary File Upload vulnerability CVSS 3.1CRITICAL 10.0
- TI-2024-33090 WordPress Simple User Registration plugin <= 6.7 - Broken Authentication vulnerability CVSS 3.1CRITICAL 9.8
- TI-2015-08065 Website Contact Form With File Upload <= 1.3.4 - Arbitrary File Upload CVSS 3.1CRITICAL 9.8
- TI-2012-03100 Unrestricted file upload vulnerability in doupload.php in the Nmedia Member Conversation… CVSS 2.0HIGH 7.5
- TI-2025-22762 WordPress Bulk Product Sync plugin <= 8.6 - SQL Injection vulnerability CVSS 3.1CRITICAL 9.3
Sources
- CVE-2025-4334 · CVE Program
- CVE-2025-4334 · NVD
- FIRST EPSS
- GHSA-6hwf-c64w-jxc6 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences