CVE-2026-39467 WordPress Responsive Slider by MetaSlider plugin <= 3.106.0 - PHP Object Injection vulnerability
An attacker can exploit PHP object injection in the MetaSlider plugin to potentially execute arbitrary code 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-2026-39467?
CVE-2026-39467 is a high-severity unsafe deserialization vulnerability in Responsive Slider by MetaSlider, published on 21 Apr 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Deserialization of Untrusted Data vulnerability in MetaSlider Responsive Slider by MetaSlider allows Object Injection.This issue affects Responsive Slider by MetaSlider: from n/a through 3.106.0.
Weakness: CWE-502
Which versions are affected by CVE-2026-39467?
How do I fix CVE-2026-39467?
No fix has been published for CVE-2026-39467 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-2026-39467 being exploited?
There is no known exploitation of CVE-2026-39467 in the wild and no public exploit code.
Sources
Also known as GHSA-pccm-93c8-h8qm.