9.8

CVE-2025-4334: najeebmedia memberhero Improper Privilege Management

CVSS: 9.8v3.1CriticalAnalyzed
Published 26-06-2025Last modified 08-04-2026

Vulnerability summary

CVE-2025-4334 is a critical (CVSS 9.8) Improper Privilege Management vulnerability in najeebmedia memberhero. EPSS estimates a 2.59% chance of exploitation in the next 30 days, higher than 85% of scored vulnerabilities. Fixed in 6.4.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
2.59%
0%100%
Low · +0.32 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 26-06-2025
    PublishedVulnerability first disclosed.
  2. 08-04-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

2.59%

Chance of exploitation in the next 30 days

Percentile

85%

Versus all other CVEs

30-day change

+0.32 pp

From 2.27% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.59%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Najeebmedia1 product
Nmedia1 product
Wordpress1 product
  • wp-registration≤ 6.3 (fixed in 6.4)

3 vendors · 3 products

References

4 links