CVE-2026-32508 WordPress Halstein theme < 1.8 - Arbitrary Object Instantiation vulnerability
An attacker can exploit arbitrary object instantiation in the Halstein WordPress theme to potentially execute code.
- 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-2026-32508?
CVE-2026-32508 is a medium-severity unsafe deserialization vulnerability in Mikado-Themes Halstein, published on 25 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Deserialization of Untrusted Data vulnerability in Mikado-Themes Halstein halstein allows Object Injection.This issue affects Halstein: from n/a through < 1.8.
Weakness: CWE-502
Which versions are affected by CVE-2026-32508?
How do I fix CVE-2026-32508?
No fix has been published for CVE-2026-32508 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-2026-32508 being exploited?
There is no known exploitation of CVE-2026-32508 in the wild and no public exploit code.
Sources
Also known as GHSA-p662-9cjc-934w.