CVE-2023-3360 Weaver Show Posts < 1.8.1 - Admin+ PHP Object Injection
A high-privilege user importing a malicious file can trigger PHP object injection, potentially leading to code execution on the WordPress site.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-3360?
CVE-2023-3360 is a low-severity unsafe deserialization vulnerability in Unknown Weaver Show Posts, published on 2 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The Weaver Show Posts WordPress plugin before 1.8.1 unserialises the content of an imported file, which could lead to PHP object injections issues when a high privilege user import a malicious file and a suitable gadget chain is present on the blog.
Weakness: CWE-502
Which versions are affected by CVE-2023-3360?
How do I fix CVE-2023-3360?
No fix has been published for CVE-2023-3360 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-2023-3360 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-3360 exists.
Sources
Also known as GHSA-xw87-h6v2-j87m.