CVE•Published 2025-06-26•Modified 2026-08-11•1 article on news•6 live references•NVD data

CVE-2025-4334Najeebmedia · Memberhero

Vulnerability data via NVD (ingested)

CVSS v3.1

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS percentile

Exploit Prediction Scoring System · top 21% of all CVEs

Weaknesses (CWE)

CWE-269Improper Privilege Management

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.

Timeline

Published 2025-06-26

Modified 2026-08-11

External references

NVD MITRE GitHub PoC Sploitus trickest/cve VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2025-4334

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · WP plugin path

http.html:"/wp-content/plugins/memberhero/"

Matches any site loading the "memberhero" plugin — doesn't rely on Shodan's vuln tag.

Shodan · product

product:"Najeebmedia Memberhero"

All exposed Najeebmedia Memberhero instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Memberhero"

HTTP body or banner mentions "Memberhero" — catches deploys Shodan didn't identify as a product.