#VU21579 Improper access control in Export Users to CSV

Vulnerability identifier: #VU21579

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: N/A

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Export Users to CSV
Web applications / Modules and components for CMS

Vendor: Boopathi Rajan

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

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

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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.