CVE-2026-66695 WordPress W3 Total Cache plugin <= 2.10.2 - Path Traversal vulnerability
Unauthenticated attackers can exploit a path traversal flaw in the W3 Total Cache plugin to read arbitrary files from the server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-66695?
CVE-2026-66695 is a medium-severity path traversal vulnerability in BoldGrid W3 Total Cache, published on 6 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unauthenticated Path Traversal in W3 Total Cache <= 2.10.2 versions.
Weakness: CWE-35
Which versions are affected by CVE-2026-66695?
How do I fix CVE-2026-66695?
No fix has been published for CVE-2026-66695 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-66695 being exploited?
There is no known exploitation of CVE-2026-66695 in the wild and no public exploit code.
Sources
Also known as GHSA-qwxj-263x-rfqj.