What the vulnerability does
01Description
The Poll, Survey & Quiz Maker Plugin by Opinion Stage plugin for WordPress is vulnerable to unauthorized modification of data due to a misconfigured capability check on several functions in all versions up to, and including, 19.9.0. This makes it possible for authenticated attackers, with Contributor-level access and above, to change the email address for the account connection, and disconnect the plugin. Previously created content will still be displayed and functional if the account is disconnected.
Explanation of Vulnerability in Simple Terms
02Summary
Quiz, Poll & Survey Maker by Opinion Stage versions 19.9.0 and earlier contain an authorization flaw that allows authenticated users to modify data they should not have access to. The vulnerability requires a valid user account but no special privileges. An attacker with low-level access can alter quiz, poll, or survey content belonging to other users or the site.
What an attacker can do
03Attacker Capabilities
Modify quiz, poll, or survey data belonging to other users or the site.
Potential impact on your site
04Site Impact
Unauthorized users can alter quiz content, potentially corrupting data or changing survey results.
Conditions required to exploit
05Prerequisites
Attacker must have a valid user account with low-level privileges on the site.
Key dates
06Disclosure timeline
June 17, 2025
CVE published
April 8, 2026
Record updated
