Path Traversal in W3 Total Cache
CVE-2026-107321
The W3 Total Cache WordPress plugin before 2.10.6 does not confine a media-import file copy to the document root, nor enforce an effective file-type restriction on it, allowing users with the Author role or higher to plant content that, once an administrator runs the import, copies an arbitrary server-readable file into a publicly served directory, exposing it to unauthenticated retrieval.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- W3 Total Cache
Weakness classification (CWE)
References
- wpscan.com/vulnerability/b549d615-f06e-494f-9a71-da3152aacec9/ (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-107321?
- CVE-2026-107321 is a medium-severity vulnerability in W3 Total Cache, classified under Path Traversal. CVSS score: 5.4/10. Published 2026-10-10.
- How severe is CVE-2026-107321?
- Medium severity. CVSS v3 base score is 5.4 out of 10.