Multiple vulnerabilities in WordPress Download Manager plugin

Published: 2021-08-23

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-34639 CVE-2021-34638
CWE-ID	CWE-434
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	WordPress Download Manager Web applications / Modules and components for CMS
Vendor	W3 Eden

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Arbitrary file upload

EUVDB-ID: #VU56032

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-34639

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload. A remote authenticated attacker can upload a malicious file and execute it on the server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WordPress Download Manager: 1.1 - 3.1.24

External links

http://www.wordfence.com/blog/2021/07/wordpress-download-manager-vulnerabilities/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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

2) Path traversal

EUVDB-ID: #VU56033

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-34638

CWE-ID: N/A