Improper access control in Export Users to CSV plugin for WordPress

1) Improper access control

EUVDB-ID: #VU21579

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-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due the generated CSV files are stored in a public directory with a predictable filename based on a Unix timestamp. A remote attacker can bypass implemented security restrictions and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Export Users to CSV: 1.2 - 1.3

External links

http://wpvulndb.com/vulnerabilities/9897/
http://plugins.trac.wordpress.org/changeset/2159451/export-users/trunk

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.