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CVE-2021-36906: WordPress Quiz And Survey Master plugin <= 7.3.6 - Multiple Insecure direct object references (IDOR) vulnerabilities

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-11-03 · updated 2026-06-17
• Weakness: CWE-639

Description

Multiple Insecure Direct Object References (IDOR) vulnerabilities in ExpressTech Quiz And Survey Master plugin <= 7.3.6 on WordPress.

Affected products

• ExpressTech Quiz And Survey Master: through 7.3.6

References

• https://patchstack.com/database/vulnerability/quiz-master-next/wordpress-quiz-and-survey-master-plugin-7-3-6-multiple-insecure-direct-object-references-idor-vulnerabilities?_s_id=cve
• https://wordpress.org/plugins/quiz-master-next/#developers
• https://patchstack.com/database/vulnerability/quiz-master-next/wordpress-quiz-and-survey-master-plugin-7-3-6-multiple-insecure-direct-object-references-idor-vulnerabilities?_s_id=cve
• https://wordpress.org/plugins/quiz-master-next/#developers

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