CVE-2025-52761 CRITICAL

CVE-2025-52761: WordPress WP Funnel Manager Plugin <= 1.4.0 - PHP Object Injection Vulnerability

Vendor Manfcarlo
Product WP Funnel Manager
Weakness CWE-502 · Unsafe deserialization
Published August 28, 2025
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in manfcarlo WP Funnel Manager wp-funnel-manager allows Object Injection.This issue affects WP Funnel Manager: from n/a through <= 1.4.0.

Explanation of Vulnerability in Simple Terms

02Summary

WP Funnel Manager versions 1.4.0 and earlier contain a deserialization vulnerability that allows unauthenticated attackers to run arbitrary code on affected sites. The vulnerability exists in how the plugin processes untrusted serialized data without proper validation. No user interaction is required to exploit this issue.

What an attacker can do

03Attacker Capabilities

Run arbitrary PHP code on the site and take complete control of it.

Potential impact on your site

04Site Impact

Complete site compromise: attackers can steal data, modify content, install malware, or take the site offline.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

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