Vulnerability in Themify – WooCommerce Product Filter — CVE-2026-78172
MediumSeverity
—Estimated exploit probability
20,000+ sitesInstalls
1.5.6Fixed in
What to do now
Update Themify – WooCommerce Product Filter to 1.5.6 or later.
Affected versions
- Everything up to and including 1.5.5
Affected: Themify – WooCommerce Product Filter (plugin, themify-wc-product-filter)
What the vulnerability is
The Themify – WooCommerce Product Filter plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via Query Parameter Name in all versions up to, and including, 1.5.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.