CVE-2026-22333 WordPress YITH WooCommerce Compare plugin <= 3.6.0 - Deserialization of untrusted data vulnerability
An attacker can exploit unsafe deserialization in the YITH WooCommerce Compare 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-2026-22333?
CVE-2026-22333 is a high-severity unsafe deserialization vulnerability in YITHEMES YITH WooCommerce Compare, published on 19 Feb 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Deserialization of Untrusted Data vulnerability in YITHEMES YITH WooCommerce Compare yith-woocommerce-compare allows Object Injection.This issue affects YITH WooCommerce Compare: from n/a through <= 3.6.0.
Weakness: CWE-502
Which versions are affected by CVE-2026-22333?
How do I fix CVE-2026-22333?
No fix has been published for CVE-2026-22333 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-2026-22333 being exploited?
There is no known exploitation of CVE-2026-22333 in the wild and no public exploit code.
Sources
Also known as GHSA-29v6-6hr2-37cw.