CVE-2025-39485 WordPress GrandTour theme <= 5.6 - PHP Object Injection vulnerability
An attacker can exploit PHP object injection in the Grand Tour WordPress theme to potentially execute arbitrary code.
- 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-2025-39485?
CVE-2025-39485 is a critical unsafe deserialization vulnerability in ThemeGoods Grand Tour, published on 23 May 2025. 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 ThemeGoods Grand Tour grandtour allows Object Injection.This issue affects Grand Tour: from n/a through <= 5.6.
Weakness: CWE-502
Which versions are affected by CVE-2025-39485?
It affects 1 product.
Products include Themegoods Grand Tour.
How do I fix CVE-2025-39485?
No fix has been published for CVE-2025-39485 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-2025-39485 being exploited?
There is no known exploitation of CVE-2025-39485 in the wild and no public exploit code.
Sources
Also known as GHSA-2g6j-8hm3-67hp.