---
id: CVE-2026-78172
title: Themify – WooCommerce Product Filter <= 1.5.5 - Reflected Cross-Site Scripting
summary: >-
  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…
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'
cvssSource: cna
cwe:
  - CWE-79
vendor: themifyme
product: Themify – WooCommerce Product Filter
affected:
  - themify_woocommerce_product_filter <= 1.5.5
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-11T20:11:02.523148Z'
published: '2026-09-11'
updated: '2026-09-11'
sourceUpdated: '2026-09-11T20:19:12.263Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-78172'
references:
  - url: >-
      https://www.wordfence.com/threat-intel/vulnerabilities/id/ee8e5848-8aa8-489a-9563-aefc0aa62dec?source=cve
  - url: >-
      https://plugins.trac.wordpress.org/browser/themify-wc-product-filter/tags/1.5.5/includes/class-wpf-utils.php#L464
  - url: >-
      https://plugins.trac.wordpress.org/browser/themify-wc-product-filter/tags/1.5.5/public/class-wpf-public.php#L937
  - url: >-
      https://plugins.trac.wordpress.org/browser/themify-wc-product-filter/tags/1.5.5/public/class-wpf-public.php#L87
  - url: >-
      https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3675210%40themify-wc-product-filter%2Ftrunk&old=3529222%40themify-wc-product-filter%2Ftrunk&sfp_email=&sfph_mail=
tags:
  - cve.org
epss: 0.00368
epssPercentile: 0.27979
ingestedAt: '2026-09-14T10:09:58.904Z'
---

## Overview

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.

## Affected

- `themify_woocommerce_product_filter <= 1.5.5`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.