CVE-2026-66695 MEDIUM

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

Vendor Boldgrid

Product W3 Total Cache

Weakness CWE-35

Published August 6, 2026

Last update August 6, 2026

View on NVD All CVEs

CVSS base score

6.5/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality None

Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

What the vulnerability does

01Description

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

Explanation of Vulnerability in Simple Terms

02Summary

W3 Total Cache versions up to 2.10.2 contain a path traversal vulnerability that allows attackers to modify files on the site without authentication. By crafting requests with multiple leading dots in file paths, an attacker can bypass directory restrictions and alter site content or configuration. Update immediately to a version newer than 2.10.2.

What an attacker can do

03Attacker Capabilities

Modify or delete files on the site without logging in.

Potential impact on your site

04Site Impact

Site files and configuration can be altered or deleted by remote attackers, potentially breaking functionality or injecting malicious content.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

August 6, 2026 CVE published

August 6, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-66695 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/35.html AskarLabs — CWE-35 write-up Path Traversal (Multiple Leading Dots)

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