SQL Injection Vulnerability in WooCommerce Ajax Product Filter Plugin by WordPress
CVE-2026-3396

7.5HIGH

Key Information:

Vendor

Shamimmoeen

Status
Wcapf – Ajax Product Filter For WooCommerce
Vendor
CVE Published:
8 April 2026

What is CVE-2026-3396?

The WooCommerce Ajax Product Filter plugin for WordPress contains a vulnerability due to improper escaping of user input in the 'post-author' parameter. This flaw enables unauthenticated attackers to execute time-based SQL injection attacks, allowing them to manipulate existing SQL queries and potentially retrieve sensitive information from the database. All versions up to and including 4.2.3 are susceptible to this security issue, highlighting the need for immediate updates and robust security measures to protect user data.

Affected Version(s)

WCAPF – Ajax Product Filter for WooCommerce 0 <= 4.2.3

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/wc-ajax-produc...
https://plugins.trac.wordpress.org/browser/wc-ajax-produc...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Youssef Elouaer
.