What’s Vulnerable › Vulnerabilities

CVE-2021-20792

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-08-18 · updated 2026-06-17
• Weakness: CWE-79

Description

Cross-site scripting vulnerability in Quiz And Survey Master versions prior to 7.1.14 allows a remote attacker to inject arbitrary script via unspecified vectors.

Affected products

• ExpressTech Quiz And Survey Master: before 7.1.14 — fixed in 7.1.14

How to fix

Upgrade to a fixed version: ExpressTech Quiz And Survey Master 7.1.14. Check the vendor advisory for mitigations.

References

• https://jvn.jp/en/jp/JVN65388002/index.html
• https://plugins.trac.wordpress.org/changeset?new=2503364%40quiz-master-next%2Ftrunk%2Fphp%2Fadmin%2Fquizzes-page.php&old=2490516%40quiz-master-next%2Ftrunk%2Fphp%2Fadmin%2Fquizzes-page.php
• https://quizandsurveymaster.com/
• https://wordpress.org/plugins/quiz-master-next/
• https://jvn.jp/en/jp/JVN65388002/index.html
• https://plugins.trac.wordpress.org/changeset?new=2503364%40quiz-master-next%2Ftrunk%2Fphp%2Fadmin%2Fquizzes-page.php&old=2490516%40quiz-master-next%2Ftrunk%2Fphp%2Fadmin%2Fquizzes-page.php
• https://quizandsurveymaster.com/
• https://wordpress.org/plugins/quiz-master-next/

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