CVE-2026-40725 WordPress WooCommerce Product Filters plugin < 2.0.6 - PHP Object Injection vulnerability

Q: What is CVE-2026-40725?

CVE-2026-40725 is a critical unsafe deserialization vulnerability in Barn2 Media Ltd WooCommerce Product Filters, published on 17 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Q: Is CVE-2026-40725 being exploited?

There is no known exploitation of CVE-2026-40725 in the wild and no public exploit code.

Q: How do I fix CVE-2026-40725?

No fix has been published for CVE-2026-40725 yet. Limit exposure of the affected software until one is available.

Critical 9.8 Published 17 Jun 2026 Updated 17 Jun 2026

Unauthenticated attackers can exploit PHP object injection in the WooCommerce Product Filters 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-2026-40725?

CVE-2026-40725 is a critical unsafe deserialization vulnerability in Barn2 Media Ltd WooCommerce Product Filters, published on 17 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unauthenticated PHP Object Injection in WooCommerce Product Filters < 2.0.6 versions.

Weakness: CWE-502

Which versions are affected by CVE-2026-40725?

How do I fix CVE-2026-40725?

No fix has been published for CVE-2026-40725 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-2026-40725 being exploited?