CVE-2021-36906 LOW

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

Vendor Expresstech
Product Quiz And Survey Master (WordPress plugin)
Published November 3, 2022
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

2.7/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

What the vulnerability does

01Description

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

Explanation of Vulnerability in Simple Terms

02Summary

Quiz And Survey Master versions up to 7.3.6 contain an integrity issue that allows high-privileged users to modify data without proper authorization checks. The vulnerability requires administrator-level access and does not affect confidentiality or availability. Site owners should update to a version newer than 7.3.6 to remediate the issue.

What an attacker can do

03Attacker Capabilities

Modify quiz or survey data through improper authorization checks.

Potential impact on your site

04Site Impact

Administrators with malicious intent or compromised admin accounts can alter quiz/survey content without audit trail protection.

Conditions required to exploit

05Prerequisites

Attacker must have administrator-level access to the WordPress site.

Key dates

06Disclosure timeline

November 3, 2022 CVE published
April 28, 2026 Record updated