CVE-2023-5201CWE-94

OpenHook <= 4.3.0 - Authenticated (Subscriber+) Remote Code Execution via Shortcode

Critical · published September 30, 2023

CVSS v3.1
9.9
EPSS
2%
Percentile
77.2
In the wild
Unconfirmed
What it is

🚨 Imagine a sneaky subscriber turning your WordPress site into their playground! The OpenHook plugin is vulnerable to Remote Code Execution in versions up to 4.3.0 through the 'php' shortcode. 🔥 Think of it like letting a guest into your house who can rearrange your entire living room! An attacker with subscriber permissions can execute any code on the server, making them the unwelcome guest who decides to redecorate your website without your consent. This is utterly devastating! An attacker could plant malicious scripts, access sensitive data, or even take full control of the server. When a plugin can be abused like this, it spells potential disaster for your entire site and its users.

Put simply

Think of it like letting a guest into your house who can rearrange your entire living room! An attacker with subscriber permissions can execute any code on the server, making them the unwelcome guest who decides to redecorate your website without your consent. The vulnerability arises when the 'php' shortcode is enabled, allowing authenticated attackers with subscriber-level permissions or higher to execute arbitrary code on the server. This unchecked feature is what makes it so dangerous!

What to do

This is utterly devastating! An attacker could plant malicious scripts, access sensitive data, or even take full control of the server. When a plugin can be abused like this, it spells potential disaster for your entire site and its users. To secure your site, update the OpenHook plugin to the latest version immediately. If you can, disable the 'php' shortcode setting to prevent further abuse until you're updated. Don't forget to audit user permissions as well! You've got this! Take these steps now to lock down your site and keep those pesky intruders out. 🛡️

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01710 · 77.2th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2023-09-30T02:33Z
EPSS history
Timeline
  • 30 SEP 02:33Z
    OpenHook <= 4.3.0 - Authenticated (Subscriber+) Remote Code Execution via Shortcode
    cvelistv5