CVE-2023-40555

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

State: Published
Severity: 8.3 High
Published: Dec 20, 2023
Updated: Apr 28, 2026
Reserved: Aug 16, 2023

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.

Scores

CVSS	Score	Vector	Source
3.1	8.3 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L	Patchstack

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
Flatsome \| Multi-Purpose Responsive WooCommerce ThemeUX-themes	3.17.5 and earlierAffectedfrom 3.17.6Not affected

References

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

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