CVE-2025-26873CWE-502

WordPress Traveler theme <= 3.1.8 - PHP Object Injection vulnerability

Critical · published March 27, 2025

CVSS v3.1
9.0
EPSS
0%
Percentile
35.9
In the wild
Unconfirmed
What it is

🚨 A deserialization flaw in Traveler could let attackers craft malicious data packets that execute arbitrary code! 🔥 Think of this situation like a restaurant that prepares meals based on a faulty recipe that anyone can tamper with. If a disgruntled customer rewrites the recipe, the unsuspecting chef might cook up something downright dangerous! This vulnerability allows an attacker to send specially crafted data that can lead to remote code execution, potentially giving them full control over the affected system. In the wrong hands, this could lead to data breaches, service disruptions, and could compromise sensitive information.

Put simply

Think of this situation like a restaurant that prepares meals based on a faulty recipe that anyone can tamper with. If a disgruntled customer rewrites the recipe, the unsuspecting chef might cook up something downright dangerous! The deserialization of untrusted data vulnerability in Traveler allows attackers to execute arbitrary code by sending maliciously crafted input to the application, leading to severe security breaches.

What to do

This vulnerability allows an attacker to send specially crafted data that can lead to remote code execution, potentially giving them full control over the affected system. In the wrong hands, this could lead to data breaches, service disruptions, and could compromise sensitive information. Patch your Traveler installation to version 3.2.1 or later immediately to resolve this critical vulnerability. Additionally, review your codebase for any areas where untrusted data is deserialized, and implement strict validation and sanitization measures. You've got this! Follow these steps, and you'll be on your way to securing your system in no time. 🛡️

The record
Technical detail
CVSS v3.1
9.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00427 · 35.9th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2025-03-27T21:59Z
EPSS history
Timeline
  • 27 MAR 21:59Z
    WordPress Traveler theme <= 3.1.8 - PHP Object Injection vulnerability
    cvelistv5