Unauthenticated Cross Site Scripting Vulnerability in Advanced AJAX Product Filters by WordPress
CVE-2026-66439

7.1HIGH

Key Information:

Vendor

WordPress
Status
Advanced Ajax Product Filters
Vendor
CVE Published:
6 August 2026

What is CVE-2026-66439?

An unauthenticated XSS vulnerability exists in the Advanced AJAX Product Filters plugin for WordPress. This security flaw allows attackers to inject arbitrary JavaScript code into web pages viewed by other users, potentially leading to theft of sensitive information or session hijacking. The issue affects versions up to 3.2.0.3, necessitating prompt updates and security patches to safeguard websites against exploit attempts.

Affected Version(s)

Advanced AJAX Product Filters <= 3.2.0.3

References

https://patchstack.com/database/wordpress/plugin/woocomme...
vdb-entry

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program
.