CVE-2025-39565 MEDIUM

CVE-2025-39565: WordPress MelaPress Login Security plugin <= 2.1.0 - PHP Object Injection Vulnerability

Vendor Melapress
Product MelaPress Login Security
Weakness CWE-502 · Unsafe deserialization
Published April 16, 2025
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

6.6/10
Attack vector Network
Attack complexity High
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in Melapress MelaPress Login Security melapress-login-security allows Object Injection.This issue affects MelaPress Login Security: from n/a through <= 2.1.0.

Explanation of Vulnerability in Simple Terms

02Summary

MelaPress Login Security versions up to 2.1.0 contain a deserialization vulnerability that allows high-privileged attackers to execute arbitrary code on the site. The vulnerability requires administrator access and high attack complexity, but successful exploitation grants full control over site data and functionality. Site owners should update immediately to a version newer than 2.1.0.

What an attacker can do

03Attacker Capabilities

Run arbitrary code on the site with full access to data and functionality.

Potential impact on your site

04Site Impact

An admin account compromise could lead to complete site takeover and data theft.

Conditions required to exploit

05Prerequisites

Attacker must have administrator-level access to the WordPress site.

Key dates

06Disclosure timeline

April 16, 2025 CVE published
April 28, 2026 Record updated