Vulnerability identifier: #VU72521

Vulnerability risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2023-0291

CWE-ID: CWE-306

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Quiz And Survey Master – Best Quiz Plugin for WordPress
Web applications / Modules and components for CMS

Vendor: QSM Team

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to missing authentication for critical function within the "media_id" parameter. A remote attacker can delete any uploaded WordPress media files.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Quiz And Survey Master – Best Quiz Plugin for WordPress: 8.0 - 8.0.8

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External links
http://seclists.org/fulldisclosure/2023/Feb/2

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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. However, proof of concept for this vulnerability is available.