What’s Vulnerable › Vulnerabilities

CVE-2025-6895: MelaPress Login Security 2.1.0 - 2.1.1 - Authentication Bypass to Privilege Escalation via get_valid_user_based_on_token Function

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-26 · updated 2026-06-17
• Weakness: CWE-288

Description

The Melapress Login Security plugin for WordPress is vulnerable to Authentication Bypass due to missing authorization within the get_valid_user_based_on_token() function in versions 2.1.0 to 2.1.1. This makes it possible for unauthenticated attackers who know an arbitrary user meta value to bypass authentication checks and log in as that user.

Affected products

• MelaPress Login Security: from 2.1.0 through 2.1.1

References

• https://plugins.trac.wordpress.org/browser/melapress-login-security/tags/2.1.1/app/class-melapress-login-security.php
• https://plugins.trac.wordpress.org/browser/melapress-login-security/tags/2.1.1/app/modules/temporary-logins/class-temporary-logins.php
• https://plugins.trac.wordpress.org/changeset/3328137
• https://wordpress.org/plugins/melapress-login-security/#developers
• https://www.wordfence.com/threat-intel/vulnerabilities/id/6f65d5c4-6f53-4836-9130-c9f4ed3be893?source=cve

Get alerted when CVE-2025-6895 or the next vulnerability affects your stack