High · 8.3 CVE-2023-40555 EUVD-2023-45126GHSA-9fmf-6xvc-qw23

WordPress Flatsome Theme <= 3.17.5 is vulnerable to PHP Object Injection

Published Dec 20, 2023 · Updated Apr 28, 2026 · Assigned by Patchstack

Vendor: UX-themes Product: Flatsome | Multi-Purpose Responsive WooCommerce Theme Category: Web / CMS

Description

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.

Affected products

Vendor	Product	Affected	Fixed
UX-themes	Flatsome \| Multi-Purpose Responsive WooCommerce Theme	≤ 3.17.5	—

References

https://patchstack.com/database/vulnerability/flatsome/wordpress-flatsome-theme-3-17-5-unauthenticated-php-object-injection-vulnerability?_s_id=cve vdb-entry