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Status published
High
CVE-2023-40555
WordPress Flatsome Theme <= 3.17.5 is vulnerable to PHP Object Injection
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Rafie Muhammad (Patchstack)
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Affected Vendor
UX-themes
View all reports →Affected Software
Flatsome | Multi-Purpose Responsive WooCommerce Theme
Vulnerable Versions:
Unknown
Timeline
Official Publish:
December 20th, 2023
Last Modified:
April 28th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L