CVE-2023-51521 MEDIUM

CVE-2023-51521: WordPress Quiz And Survey Master plugin <= 8.1.18 - Cross Site Request Forgery (CSRF) vulnerability

Vendor Expresstech
Product Quiz And Survey Master
Weakness CWE-352 · CSRF
Published March 16, 2024
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

5.4/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Cross-Site Request Forgery (CSRF) vulnerability in ExpressTech Quiz And Survey Master.This issue affects Quiz And Survey Master: from n/a through 8.1.18.

Explanation of Vulnerability in Simple Terms

02Summary

Quiz And Survey Master versions up to 8.1.18 are vulnerable to cross-site request forgery (CSRF) attacks. An attacker can craft a malicious webpage that, when visited by a logged-in site administrator, performs unwanted actions on the quiz plugin without the admin's knowledge or consent. The vulnerability requires the victim to visit the attacker's page while authenticated to the WordPress site.

What an attacker can do

03Attacker Capabilities

Perform unwanted actions on the quiz plugin by tricking an authenticated admin into visiting a malicious webpage.

Potential impact on your site

04Site Impact

An attacker can modify quiz settings, delete surveys, or alter quiz data by exploiting admin sessions without explicit permission.

Conditions required to exploit

05Prerequisites

The site admin must be logged in and visit a page controlled by the attacker.

Key dates

06Disclosure timeline

March 16, 2024 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-4275 Divi Torque Lite <= 4.2.3 - Cross-Site Request Forgery to Arbitrary Plugin Installation via 'install_plugin' REST Endpoint CVE-2026-61956 WordPress ووسلام – همگام سازی ووکامرس و باسلام plugin <= 1.9.1 - Cross Site Request Forgery (CSRF) vulnerability CVE-2026-65471 WordPress Avada Core plugin <= 5.15.6 - Cross Site Request Forgery (CSRF) vulnerability CVE-2026-57761 WordPress SEOWP theme <= 3.12.2 - CSRF to Stored XSS vulnerability CVE-2026-63265 Joomla Extension - regularlabs.com - Inconsistent CSRF token checks / privilege checks in various Regular Labs extension AJAX endpoints