Improper access control in Custom Searchable Data Entry System plugin for WordPress

1) Improper access control

EUVDB-ID: #VU25822

Risk: Critical

CVSSv3.1: 9.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H/E:H/RL:U/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 access restrictions. A remote attacker can bypass implemented security restrictions and gain unauthorized access to the application, leading to data modification and deletion, including the potential to delete the entire contents of any table in a vulnerable site’s database.

Note: the vulnerability is being actively exploited in the wild.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Custom Searchable Data Entry System: 1.0.3 - 1.7.1

External links

http://wpvulndb.com/vulnerabilities/10117/
http://www.wordfence.com/blog/2020/03/active-attack-on-zero-day-in-custom-searchable-data-entry-system-plugin/

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?

Yes. This vulnerability is being exploited in the wild.