CVE-2025-53299CWE-502

WordPress ThemeMakers Visual Content Composer Plugin <= 1.5.8 - PHP Object Injection Vulnerability

Critical · published August 20, 2025

CVSS v3.1
9.8
EPSS
0%
Percentile
41.8
In the wild
Unconfirmed
What it is

🔥 A sneaky deserialization flaw lurking in ThemeMakers Visual Content Composer could lead to object injection — a recipe for disaster! Think of it like a chef who blindly follows a recipe without checking the ingredients; if someone swaps in something toxic, the dish becomes dangerous. In this case, untrusted data could be injected into the application, leading to unexpected behavior or malicious actions. An attacker could exploit this vulnerability to craft malicious objects that the application naively accepts. This could lead to unauthorized actions, data leakage, or even full server compromise — talk about a nightmare for website owners!

Put simply

Think of it like a chef who blindly follows a recipe without checking the ingredients; if someone swaps in something toxic, the dish becomes dangerous. In this case, untrusted data could be injected into the application, leading to unexpected behavior or malicious actions. This vulnerability allows untrusted data to be deserialized, enabling attackers to inject objects that could alter application behavior or gain elevated privileges.

What to do

An attacker could exploit this vulnerability to craft malicious objects that the application naively accepts. This could lead to unauthorized actions, data leakage, or even full server compromise — talk about a nightmare for website owners! First, update ThemeMakers Visual Content Composer to version 1.5.9 or later immediately. Then, audit your application's data handling processes and ensure strict validation of all incoming data. Don't forget to monitor for any unusual activity! You've got this! With a quick patch and vigilant data handling, you can keep your site safe and sound. 🛡️

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
0.00498 · 41.8th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2025-08-20T08:03Z
EPSS history
Timeline
  • 20 AUG 08:03Z
    WordPress ThemeMakers Visual Content Composer Plugin <= 1.5.8 - PHP Object Injection Vulnerability
    cvelistv5