CVE-2021-24220CWE-434

All Thrive Themes Legacy Themes < 2.0.0 - Unauthenticated Arbitrary File Upload and Option Deletion

published April 12, 2021

CVSS
—
EPSS
4%
Percentile
90.4
In the wild
Unconfirmed
What it is

🚨 A single crafted request could allow attackers to overwrite files on your WordPress site, including malicious PHP files! 🔥 Think of this vulnerability like a sneaky food critic who gets access to the kitchen; by making just the right request, they can replace the chef's special with something toxic and harmful! If exploited, an attacker could not only overwrite essential site files but also inject malicious code that can compromise your entire website and its data. This could lead to unauthorized access and catastrophic consequences for your online presence, leaving you scrambling to fix what shouldn't have happened in the first place!

Put simply

Think of this vulnerability like a sneaky food critic who gets access to the kitchen; by making just the right request, they can replace the chef's special with something toxic and harmful! This vulnerability in several Thrive Themes versions allows attackers to utilize a REST API endpoint to compress images. By exploiting an Option Update flaw, they can craft requests to retrieve and overwrite files with malicious code.

What to do

If exploited, an attacker could not only overwrite essential site files but also inject malicious code that can compromise your entire website and its data. This could lead to unauthorized access and catastrophic consequences for your online presence, leaving you scrambling to fix what shouldn't have happened in the first place! To protect your site, immediately update all Thrive Themes to version 2.0.0 or later. Additionally, monitor your site for any unauthorized file changes and tighten your access control to the REST API. It's crucial to audit your site’s security measures regularly. You've got this! Follow these steps to secure your site and keep those pesky attackers at bay! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03946 · 90.4th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2021-04-12T14:03Z
EPSS history
Timeline
  • 12 APR 14:03Z
    All Thrive Themes Legacy Themes < 2.0.0 - Unauthenticated Arbitrary File Upload and Option Deletion
    cvelistv5