Vulnerability identifier: #VU46130

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/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 - 7.0.1

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External links
http://wpvulndb.com/vulnerabilities/10380/
http://plugins.trac.wordpress.org/changeset/2363719/quiz-master-next/trunk/php/classes/class-qmn-quiz-manager.php?old=2353115&old_path=quiz-master-next%2Ftrunk%2Fphp%2Fclasses%2Fclass-qmn-quiz-manager.php

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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.