PT-2026-31296 · WordPress · Yith Woocommerce Ajax Product Filter

Youssef Elouaer · Published 2026-04-08 · Updated 2026-04-14 · CVE-2026-3396

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions WCAPF – WooCommerce Ajax Product Filter versions up to and including 4.2.3

Description The WooCommerce Ajax Product Filter plugin is susceptible to time-based SQL Injection through the post-author parameter. Insufficient input sanitization and inadequate SQL query preparation allow unauthenticated attackers to inject additional SQL queries, potentially extracting sensitive database information.

Recommendations Update to a version greater than 4.2.3

Fix

SQL injection

Weakness Enumeration

CWE-89

Related Identifiers

CVE-2026-3396

Affected Products

Yith Woocommerce Ajax Product Filter

References · 11

• https://nvd.nist.gov/vuln/detail/CVE-2026-3396 · Security Note
• https://plugins.trac.wordpress.org/changeset/3484080 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/ee0a762e-9159-4dab-a7be-9cbe332effb1?source=cve · Note
• https://plugins.trac.wordpress.org/browser/wc-ajax-product-filter/trunk/includes/class-wcapf-product-filter.php#L65 · Note
• https://plugins.trac.wordpress.org/browser/wc-ajax-product-filter/trunk/includes/class-wcapf-product-filter.php#L739 · Note
• https://twitter.com/pdnuclei_bot/status/2044068194676261151 · Twitter Post
• https://twitter.com/CVEnew/status/2043295669222346778 · Twitter Post
• https://twitter.com/cyberbivash/status/2041864657661489531 · Twitter Post
• https://plugins.trac.wordpress.org/browser/wc-ajax-product-filter/trunk/includes/class-wcapf-product-filter.php#L689 · Note
• https://plugins.trac.wordpress.org/browser/wc-ajax-product-filter/trunk/includes/class-wcapf-product-filter.php#L81 · Note
• https://t.me/CVEtracker/50052 · Telegram Post