Privilege escalation in Import Export WordPress Users plugin for WordPress

1) Improper access control

EUVDB-ID: #VU26023

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/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 to improper capability check in "manage_woocommerce" function when a site is running the affected plugin without WooCommerce installed. A remote authenticated attacker can use CSV file, import new users with administrative capabilities and gain complete control over the site.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Import Export WordPress Users: 1.0.0 - 1.3.8

External links

http://wpvulndb.com/vulnerabilities/10125/
http://www.wordfence.com/blog/2020/03/vulnerability-patched-in-import-export-wordpress-users/

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.