CVE-2025-39565

WordPress MelaPress Login Security plugin <= 2.1.0 - PHP Object Injection Vulnerability

6.6 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.91%Up 0.9 points since Apr 17, 2025

What each source reports

CVE List Score used 6.6

WordPress MelaPress Login Security plugin <= 2.1.0 - PHP Object Injection Vulnerability

Record: CVE-2025-39565
CVSS 3.1: 6.6 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

EUVDEUVD-2025-11315 6.6

Record: EUVD-2025-11315
CVSS 3.1: 6.6 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-7gv9-65q7-v834 6.6

Deserialization of Untrusted Data vulnerability in Melapress MelaPress Login Security allows...

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

Record: GHSA-7gv9-65q7-v834
CVSS 3.1: 6.6 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

NVD 6.6

Record: CVE-2025-39565
CVSS 3.1: 6.6 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1: 7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

Affected products

melapress login security

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-39565 is a medium vulnerability (CVSS 6.6) in Melapress Login Security, published April 16, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.91%, the 60th percentile. No source names a fixed version.