CVE-2025-9294 MEDIUM

CVE-2025-9294: Quiz And Survey Master <= 10.3.1 - Missing Authorization to Authenticated (Subscriber+) Quiz Results Deletion

Vendor Expresstech
Product Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker
Weakness CWE-285
Published January 6, 2026
Last update April 8, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

The Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker plugin for WordPress is vulnerable to unauthorized loss of data due to a missing capability check on the qsm_dashboard_delete_result function in all versions up to, and including, 10.3.1. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete quiz results.

Explanation of Vulnerability in Simple Terms

02Summary

Quiz and Survey Master versions up to 10.3.1 contain an improper access control vulnerability that allows authenticated users to modify quiz or survey data they should not have permission to change. The vulnerability requires a valid user account but no special privileges. An attacker with low-level access can alter quiz content, answers, or settings through direct requests.

What an attacker can do

03Attacker Capabilities

Modify quiz or survey data belonging to other users or administrators without authorization.

Potential impact on your site

04Site Impact

Quiz integrity compromised; attackers with basic accounts can alter quiz content, answers, or scoring affecting site credibility and user trust.

Conditions required to exploit

05Prerequisites

Attacker must have a valid user account with low-level privileges; no user interaction required.

Key dates

06Disclosure timeline

January 6, 2026 CVE published
April 8, 2026 Record updated

Related vulnerabilities

08Related CVE