CVE-2025-52761CWE-502insecure-deserialization

CVE-2025-52761

Critical · published August 28, 2025

CVSS v3.1
9.8
EPSS
0%
Percentile
34.0
In the wild
Unconfirmed
What it is

🚨 A sneaky deserialization vulnerability in WP Funnel Manager could allow attackers to inject malicious objects and take control — like handing someone the keys to your entire marketing strategy! 🔥 Think of this as a restaurant where the kitchen accepts any order without checking the ticket. An attacker could send in an unwritten request for all sorts of unauthorized dishes, leading to chaos in the restaurant! If exploited, an attacker could execute harmful commands on your server, potentially compromising sensitive data or even taking total control over your site. This could result in loss of customer trust, data leaks, and a seriously damaged reputation. It's absolutely devastating!

Put simply

Think of this as a restaurant where the kitchen accepts any order without checking the ticket. An attacker could send in an unwritten request for all sorts of unauthorized dishes, leading to chaos in the restaurant! The vulnerability stems from how WP Funnel Manager handles untrusted data during the deserialization process, allowing attackers to inject unexpected objects and potentially execute arbitrary code within the application.

What to do

If exploited, an attacker could execute harmful commands on your server, potentially compromising sensitive data or even taking total control over your site. This could result in loss of customer trust, data leaks, and a seriously damaged reputation. It's absolutely devastating! Upgrade WP Funnel Manager to version 1.4.1 or later immediately to close this critical hole. Additionally, review your existing code for any other potential deserialization issues and implement strict input validation. Stay proactive! This is fixable! Follow these steps and you’ll have your site secured again in no time. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00408 · 34.0th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2025-08-28T17:16Z
References (1)
EPSS history
Timeline
  • 28 AUG 12:37Z
    WordPress WP Funnel Manager Plugin <= 1.4.0 - PHP Object Injection Vulnerability
    cvelistv5