SB2019121601 - Cross-site scripting in Quiz And Survey Master – Best Quiz Plugin for WordPress

Description

This security bulletin contains information about 1 security vulnerability.

1) Cross-site scripting (CVE-ID: CVE-2019-17599)

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.

Remediation

Install update from vendor's website.

References

• 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