CVE-2023-40555 WordPress Flatsome Theme <= 3.17.5 is vulnerable to PHP Object Injection
An attacker can exploit PHP object injection in the Flatsome WordPress theme to potentially execute arbitrary code on the server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-40555?
CVE-2023-40555 is a high-severity unsafe deserialization vulnerability in UX-themes Flatsome | Multi-Purpose Responsive WooCommerce Theme, published on 20 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-502
Which versions are affected by CVE-2023-40555?
It affects 1 product.
Products include Uxthemes Flatsome.
How do I fix CVE-2023-40555?
No fix has been published for CVE-2023-40555 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2023-40555 being exploited?
There is no known exploitation of CVE-2023-40555 in the wild and no public exploit code.
Other vulnerabilities in UX-themes Flatsome | Multi-Purpose Responsive WooCommerce Theme
Sources
Also known as GHSA-9fmf-6xvc-qw23.