CVE-2023-40555
WordPress Flatsome Theme <= 3.17.5 is vulnerable to PHP Object Injection
CVSS Score
8.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-502 |
| Vendor | ux-themes |
| Product | flatsome | multi-purpose responsive woocommerce theme |
| Published | Dec 20, 2023 |
| Last Updated | Apr 28, 2026 |
Stay Ahead of the Next One
Get instant alerts for ux-themes flatsome | multi-purpose responsive woocommerce theme
Be the first to know when new high vulnerabilities affecting ux-themes flatsome | multi-purpose responsive woocommerce theme are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low
Affected Versions
UX-themes / Flatsome | Multi-Purpose Responsive WooCommerce Theme
n/a ≤ 3.17.5
References
Credits
Rafie Muhammad (Patchstack)