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
CVE-2025-6895 is a critical vulnerability (CVSS 9.8) in Melapress Login Security, published July 26, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.76%, the 55th percentile. No source names a fixed version.
- Severity
- 9.8 CriticalCVSS 3.1, CVE List
- Exploit chance
- 0.76%EPSS, 55th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
What each source reports
CVE List Score used
MelaPress Login Security 2.1.0 - 2.1.1 - Authentication Bypass to Privilege Escalation via get_valid_user_based_on_token Function
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.
- Record
CVE-2025-6895- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-288
- Updated
- 2026-11-02
EUVDEUVD-2025-22769
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.
- Record
EUVD-2025-22769- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-rgqx-f26c-5v58
The Melapress Login Security plugin for WordPress is vulnerable to Authentication Bypass due to...
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.
- Record
GHSA-rgqx-f26c-5v58- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-288
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-6895- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-288
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
wordfence.com/threat-intel/vulnerabilities/id/6f65d5c4-6f53-4836-9130-c9f4ed3be893?source=cve
wordpress.org/plugins/melapress-login-security
plugins.trac.wordpress.org/browser/melapress-login-security/tags/2.1.1/app/class-melapress-login-security.php
nvd.nist.gov/vuln/detail/CVE-2025-6895
github.com/advisories/GHSA-rgqx-f26c-5v58