CVE-2026-66695: WordPress W3 Total Cache plugin <= 2.10.2 - Path Traversal vulnerability

Published Aug 6, 2026

Updated

Unauthenticated Path Traversal in W3 Total Cache <= 2.10.2 versions.

Affected Software

1 affected component

BoldGrid W3 Total Cache<=2.10.2

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade WordPress W3 Total Cache plugin to a version that resolves this vulnerability.
Fixed in 2.10.3

Aug 6, 2026

CVE Published

via MITRE·02:28 PM

Data Sourced

via MITRE·02:28 PM

RemedyDescriptionSeverityWeakness

The severity of CVE-2026-66695 is rated as medium with a score of 6.5.

To fix CVE-2026-66695, update the W3 Total Cache plugin to version 2.10.3 or later.

CVE-2026-66695 is a Path Traversal vulnerability affecting W3 Total Cache plugin versions 2.10.2 and earlier.

Users of W3 Total Cache plugin versions up to and including 2.10.2 are affected by CVE-2026-66695.

Yes, CVE-2026-66695 can be exploited remotely due to its unauthenticated nature.