What the vulnerability does
01Description
Deserialization of Untrusted Data vulnerability in UX-themes Flatsome | Multi-Purpose Responsive WooCommerce Theme.This issue affects Flatsome | Multi-Purpose Responsive WooCommerce Theme: from n/a through 3.17.5.
Explanation of Vulnerability in Simple Terms
02Summary
Flatsome theme versions up to 3.17.5 contain a deserialization vulnerability in how they process untrusted data. An attacker can send a specially crafted request to execute arbitrary code on the site, read sensitive data, or disrupt service. No authentication or user interaction is required. The vulnerability affects the entire site and any connected systems.
What an attacker can do
03Attacker Capabilities
Execute code on the site, read sensitive data, or disrupt service without authentication.
Potential impact on your site
04Site Impact
Attackers can compromise your site, steal data, or take it offline without needing a user account.
Conditions required to exploit
05Prerequisites
Network access to the site; no authentication or user interaction required.
Key dates
06Disclosure timeline
December 20, 2023
CVE published
April 28, 2026
Record updated