🔐 CVE Alert

CVE-2026-3396

HIGH 7.5

WCAPF – WooCommerce Ajax Product Filter <= 4.2.3 - Unauthenticated Time-Based SQL Injection

CVSS Score
7.5
EPSS Score
0.1%
EPSS Percentile
24th

WCAPF – WooCommerce Ajax Product Filter plugin is vulnerable to time-based SQL Injection via the 'post-author' parameter in all versions up to, and including, 4.2.3 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

CWE CWE-89
Vendor shamimmoeen
Product wcapf – ajax product filter for woocommerce
Published Apr 8, 2026
Last Updated Apr 8, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

shamimmoeen / WCAPF – Ajax Product Filter for WooCommerce
0 ≤ 4.2.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/ee0a762e-9159-4dab-a7be-9cbe332effb1?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/wc-ajax-product-filter/trunk/includes/class-wcapf-product-filter.php#L739 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/wc-ajax-product-filter/trunk/includes/class-wcapf-product-filter.php#L689 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/wc-ajax-product-filter/trunk/includes/class-wcapf-product-filter.php#L81 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/wc-ajax-product-filter/trunk/includes/class-wcapf-product-filter.php#L65 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3484080/

Credits

Youssef Elouaer