Cross-site scripting in Quiz And Survey Master – Best Quiz Plugin for WordPress

1) Cross-site scripting

EUVDB-ID: #VU23606

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-17599

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data when processing data passed via the "from" or "till" parameter (and/or the "quiz_id" parameter) in the "/quiz-master-next/php/admin/quiz-options-page.php" file. A remote authenticated attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Quiz And Survey Master - Best Quiz Plugin for WordPress: 0.1 - 6.3.4

CPE2.3

• cpe:2.3:a:quizsurvey:quiz-master-next:0.1:*:*:*:*:wordpress:*:*
• cpe:2.3:a:quizsurvey:quiz-master-next:0.2:*:*:*:*:wordpress:*:*
• cpe:2.3:a:quizsurvey:quiz-master-next:0.3:*:*:*:*:wordpress:*:*

External links

https://github.com/QuizandSurveyMaster/quiz_master_next/issues/795
https://github.com/QuizandSurveyMaster/quiz_master_next/pull/796
https://wordpress.org/plugins/quiz-master-next/#developers
https://wpvulndb.com/vulnerabilities/9977

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.