CVE-2021-36864 LOW

CVE-2021-36864: WordPress Quiz And Survey Master plugin <= 7.3.4 - Auth. Reflected Cross-Site Scripting (XSS) vulnerability

Vendor Expresstech
Product Quiz And Survey Master (WordPress plugin)
Weakness CWE-79 · XSS
Published October 28, 2022
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

3.4/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Auth. (editor+) Reflected Cross-Site Scripting (XSS) vulnerability in ExpressTech Quiz And Survey Master plugin <= 7.3.4 on WordPress.

Explanation of Vulnerability in Simple Terms

02Summary

Quiz And Survey Master versions up to 7.3.4 contain a stored cross-site scripting (XSS) vulnerability. An authenticated user with high privileges can inject malicious scripts into quiz or survey content. When other users view the affected content, the scripts execute in their browsers, potentially stealing session data or performing actions on their behalf. The vulnerability requires user interaction to trigger.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute when other users view quiz or survey content.

Potential impact on your site

04Site Impact

Compromised user sessions, unauthorized actions, or data theft affecting site visitors who view malicious quizzes or surveys.

Conditions required to exploit

05Prerequisites

Attacker must have high-level admin or editor privileges and the victim must view the affected quiz or survey.

Key dates

06Disclosure timeline

October 28, 2022 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

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