Threat intelligence

Advanced AJAX Product Filters <= 3.2.0.3 - Unauthenticated Stored Cross-Site Scripting

CVE-2026-66439 · woocommerce-ajax-filters

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Woocommerce Ajax Filters at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Advanced AJAX Product Filters <= 3.2.0.3 - Unauthenticated Stored Cross-Site Scripting
Affected software: woocommerce-ajax-filters(Plugin)
Affected versions: ≤ 3.2.0.3
Authentication: Unauthenticated
Vulnerability type: Cross-site scripting
CVE: CVE-2026-66439
Published: 4 August 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory 8c8f6f49-df06-48c5-885e-9a835dc5d87b). Methodology and redistribution notes

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