CVE-2025-39527 WordPress Rating by BestWebSoft plugin <= 1.7 - PHP Object Injection Vulnerability
An attacker can exploit PHP object injection in the Rating by BestWebSoft plugin to potentially execute arbitrary code on the WordPress site.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-39527?
CVE-2025-39527 is a high-severity unsafe deserialization vulnerability in bestweblayout Rating by BestWebSoft, published on 17 Apr 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Deserialization of Untrusted Data vulnerability in bestweblayout Rating by BestWebSoft rating-bws allows Object Injection.This issue affects Rating by BestWebSoft: from n/a through <= 1.7.
Weakness: CWE-502
Which versions are affected by CVE-2025-39527?
How do I fix CVE-2025-39527?
No fix has been published for CVE-2025-39527 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-2025-39527 being exploited?
There is no known exploitation of CVE-2025-39527 in the wild and no public exploit code.
Sources
Also known as GHSA-wwj8-vw56-c53c.