#VU56048 Improper access control in WP Upload Restriction - CVE-2021-34626

Vulnerability identifier: #VU56048

Vulnerability risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-34626

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WP Upload Restriction
Web applications / Modules and components for CMS

Vendor: Sajjad Hossain Sagor

Description

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

The vulnerability exists due to improper access restrictions in the "deleteCustomType" function. A remote authenticated attacker can bypass implemented security restrictions and delete custom extensions.

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

Vulnerable software versions

WP Upload Restriction: 1.0.0 - 2.2.3

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External links
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34625

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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.