Vulnerability identifier: #VU19782

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
W3 Total Cache
Web applications / Modules and components for CMS

Vendor: Frederick Townes

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file extension when uploading files. A remote attacker can upload and execute arbitrary file on the system.

Mitigation
Update to version 0.9.5.

Vulnerable software versions

W3 Total Cache: 0.5 - 0.9.4.1

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External links
http://secupress.me/blog/4-new-security-flaws-w3-total-cache-0-9-4-1/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.