CVE-2021-4374CWE-862

WordPress Automatic Plugin <= 3.53.2 - Unauthenticated Arbitrary Options Update

Critical · published June 7, 2023

CVSS v3.1
9.1
EPSS
16%
Percentile
97.0
In the wild
Unconfirmed
What it is

🚨 An unauthenticated loophole lets attackers switch your WordPress settings at will! With versions up to 3.53.2 of the Automatic Plugin, it’s like handing the keys of your website to someone on the street. 🔥 Think of a restaurant where a customer can just walk into the kitchen and change the menu without anyone checking their ID. That’s exactly what this vulnerability allows: unauthorized changes to critical settings without any verification. An attacker could waltz in and update vital configurations, leading to a complete takeover of your site. This means they could change your site’s content, redirect users, or even delete everything — absolutely devastating for any business relying on their online presence.

Put simply

Think of a restaurant where a customer can just walk into the kitchen and change the menu without anyone checking their ID. That’s exactly what this vulnerability allows: unauthorized changes to critical settings without any verification. This vulnerability arises from missing authorization and option validation in the process_form.php file of the WordPress Automatic Plugin, allowing attackers to arbitrarily update site settings without authentication.

What to do

An attacker could waltz in and update vital configurations, leading to a complete takeover of your site. This means they could change your site’s content, redirect users, or even delete everything — absolutely devastating for any business relying on their online presence. Update your WordPress Automatic Plugin to version 3.53.3 or later immediately. Additionally, review your site’s access controls to ensure no unauthorized changes can be made. Staying vigilant and auditing your plugins regularly is also a best practice! You've got this! Follow these steps, and you’ll keep your site safe and sound. 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.16408 · 97.0th percentile
Weakness
CWE-862 · Missing Authorization
Published
2023-06-07T01:51Z
EPSS history
Timeline
  • 07 JUN 01:51Z
    WordPress Automatic Plugin <= 3.53.2 - Unauthenticated Arbitrary Options Update
    cvelistv5