CVE-2025-31631CWE-502

WordPress Fish House theme <= 1.2.7 - PHP Object Injection Vulnerability

Critical · published May 23, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
48.8
In the wild
Unconfirmed
What it is

🔥 A sneaky deserialization vulnerability in the Fish House theme could let an attacker inject untrusted data like a chef slipping an extra ingredient into a recipe — and it could spoil the whole dish! Think of it like a restaurant kitchen where the head chef blindly trusts every delivery. If a rogue delivery person sneaks in a dangerous ingredient, it could ruin the entire meal, just like this vulnerability could allow attackers to execute arbitrary code on your server. An attacker could exploit this flaw to run any code they desire, completely compromising your server's integrity. This means they could access sensitive data, modify your site, or even take full control of your server — an absolutely devastating scenario for any website owner!

Put simply

Think of it like a restaurant kitchen where the head chef blindly trusts every delivery. If a rogue delivery person sneaks in a dangerous ingredient, it could ruin the entire meal, just like this vulnerability could allow attackers to execute arbitrary code on your server. This vulnerability in the Fish House theme allows for Object Injection due to improper handling of untrusted data during the deserialization process. With affected versions ranging from n/a to 1.2.7, attackers can manipulate serialized objects to execute arbitrary code within the application.

What to do

An attacker could exploit this flaw to run any code they desire, completely compromising your server's integrity. This means they could access sensitive data, modify your site, or even take full control of your server — an absolutely devastating scenario for any website owner! Immediately update your Fish House theme to the latest version to patch this vulnerability. Additionally, review your code to ensure that no untrusted data is deserialized without proper validation and sanitization. Stay vigilant with regular security audits! You've got this! Just follow the steps, and you'll 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
0.00616 · 48.8th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2025-05-23T12:44Z
EPSS history
Timeline
  • 23 MAY 12:44Z
    WordPress Fish House theme <= 1.2.7 - PHP Object Injection Vulnerability
    cvelistv5