Vulnerability identifier: #VU19839

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-89

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 execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

Mitigation
Update to version 4.4.4.

Vulnerable software versions

Quiz And Survey Master – Best Quiz Plugin for WordPress: 0.1 - 4.4.3

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External links
http://cinu.pl/research/wp-plugins/mail_b882d56ac6bb1795ed5434cd200356a2.html
http://blog.cinu.pl/2015/11/php-static-code-analysis-vs-top-1000-wordpress-plugins.html

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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.