MelaPress Login Security PHP Object Injection Vulnerability

Vulnerability

A deserialization vulnerability allowing object injection has been identified in the MelaPress Login Security WordPress plugin, affecting versions through 2.1.0. This vulnerability could potentially lead to various types of code injection, including SQL injection, path traversal, and denial-of-service, especially if a suitable PHP object injection chain is exploited.

Impact

Exploitation of this vulnerability could allow for PHP object injection, which could be leveraged to execute code injection, SQL injection, path traversal, denial-of-service, and more, provided a proper PHP object injection chain is available.

Remediation

Users of the MelaPress Login Security WordPress plugin should update to version 2.1.1 or later to address this vulnerability. Patchstack users can enable auto-update for vulnerable plugins.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
1.0
impact
0.6
exploitability
5.0
remediation
7.7
relevance
0.0
threat
0.0
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.