Threat intelligence

W3 Total Cache <= 2.10.2 - Unauthenticated Path Traversal

CVE-2026-66695 · w3-total-cache

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run W3 Total Cache at a vulnerable version. How SiteRespond intelligence works

Vulnerability: W3 Total Cache <= 2.10.2 - Unauthenticated Path Traversal
Affected software: w3-total-cache(Plugin)
Affected versions: ≤ 2.10.2
Authentication: Unauthenticated
Vulnerability type: Directory traversal
CVE: CVE-2026-66695
Published: 31 July 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow reading or writing files outside intended directories.
Source: Data imported from Wordfence Intelligence (advisory 60878165-d4cc-4ea1-acf7-9bb6fd48795b). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed W3 Total Cache version against this catalog when the Defence plugin is connected to your WordPress site.

Start SiteRespond Defence for WordPress — £29.99/monthScan your website

All W3 Total Cache advisoriesBack to catalog