#VU45697 Arbitrary file upload in Quiz And Survey Master – Best Quiz Plugin for WordPress


Published: 2020-08-14

Vulnerability identifier: #VU45697

Vulnerability risk: High

CVSSv3.1: 8.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-434

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 compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload. A remote attacker can upload a malicious file and execute it on the server.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Quiz And Survey Master – Best Quiz Plugin for WordPress: 0.1 - 7.0.0


External links
http://wpvulndb.com/vulnerabilities/10349/
http://www.wordfence.com/blog/2020/08/critical-vulnerabilities-patched-in-quiz-and-survey-master-plugin/
http://www.youtube.com/watch?v=sC4U-oNW34c


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.


Latest bulletins with this vulnerability