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CVE-2026-88942

MEDIUM 6.1 CVSS 3.1
Published
October 31, 2026
Last modified
November 2, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

The Product Filter for WooCommerce by WBW plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 'wpf_fid' JSON Parameter in all versions up to, and including, 3.4.6 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. The vulnerability persists in versions that received the 3.4.3 patch because absint() was applied only to the getVar() read path, leaving the wpf_fid value read from the JSON-decoded filterSettings payload entirely unsanitized.

Affected WordPress components

  • Product Filter for WooCommerce by WBW Plugin · woo-product-filter
    Confirmed match Active
    Up to and including 3.4.6
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • woobewoo Product Filter for WooCommerce by WBW — Up to and including 3.4.6

References

  • github.com https://github.com/wpcodefactory/woo-product-filter
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/woo-product-filter/tags/3.4.3/classes/class-woobewoo-pf-frame.php#L391
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/woo-product-filter/tags/3.4.3/classes/class-woobewoo-pf-response.php#L82
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/woo-product-filter/tags/3.4.3/modules/woofilters/class-woobewoo-pf-woofilters-controller.php#L359
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/woo-product-filter/tags/3.4.3/modules/woofilters/class-woobewoo-pf-woofilters-controller.php#L363
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/woo-product-filter/tags/3.4.3/modules/woofilters/class-woobewoo-pf-woofilters-controller.php#L513
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/woo-product-filter/tags/3.4.3/modules/woofilters/class-woobewoo-pf-woofilters-controller.php#L739
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/woo-product-filter/tags/3.4.4/classes/class-woobewoo-pf-frame.php#L391
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/woo-product-filter/tags/3.4.4/classes/class-woobewoo-pf-response.php#L82
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/woo-product-filter/tags/3.4.4/modules/woofilters/class-woobewoo-pf-woofilters-controller.php#L359
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/woo-product-filter/tags/3.4.4/modules/woofilters/class-woobewoo-pf-woofilters-controller.php#L363
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/woo-product-filter/tags/3.4.4/modules/woofilters/class-woobewoo-pf-woofilters-controller.php#L513
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/woo-product-filter/tags/3.4.4/modules/woofilters/class-woobewoo-pf-woofilters-controller.php#L739
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3757178/woo-product-filter/trunk/classes/class-woobewoo-pf-response.php
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/93f80f84-68b1-4c11-8bc8-19b78e253129?source=cve
  • nvd.nist.gov Official NVD record