CVE-2025-26763 Deserialization in Responsive Slider by MetaSlider
An attacker can exploit PHP object injection in the MetaSlider WordPress plugin 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-2025-26763?
CVE-2025-26763 is a critical unsafe deserialization vulnerability in Responsive Slider by MetaSlider, published on 22 Feb 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 MetaSlider Responsive Slider by MetaSlider ml-slider allows Object Injection.This issue affects Responsive Slider by MetaSlider: from n/a through <= 3.94.0.
Weakness: CWE-502
Which versions are affected by CVE-2025-26763?
How do I fix CVE-2025-26763?
No fix has been published for CVE-2025-26763 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-2025-26763 being exploited?
There is no known exploitation of CVE-2025-26763 in the wild and no public exploit code.
Sources
Also known as GHSA-388g-hxhw-5c6q.