W3 Total Cache Plugin up to 2.10.5 on WordPress Media Import path traversal

Summaryinfo

A vulnerability was found in W3 Total Cache Plugin up to 2.10.5. It has been classified as problematic. This affects an unknown part of the component Media Import. The manipulation leads to path traversal. This vulnerability is traded as CVE-2026-107321. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in W3 Total Cache Plugin up to 2.10.5. This issue affects an unknown code block of the component Media Import. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at wpscan.com. The identification of this vulnerability is CVE-2026-107321 since 10/07/2026. The exploitation is known to be easy. The attack may be initiated remotely. Additional levels of successful authentication are needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

Upgrading to version 2.10.6 eliminates this vulnerability.

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Productinfo

Type

• WordPress Plugin

Name

• W3 Total Cache Plugin

Version

• 2.10.0
• 2.10.1
• 2.10.2
• 2.10.3
• 2.10.4
• 2.10.5

CPE 2.3info

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• 🔒
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CPE 2.2info

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• 🔒
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