CVE-2026-15963

The Quiz And Survey Master plugin in versions up to and including 11.2.6 contains a Cross Site Scripting (XSS) vulnerability exploitable by an unauthenticated attacker.

The Quiz And Survey Master plugin up to version 11.2.0 contains an SQL injection vulnerability exploitable by a contributor-level user. An attacker can manipulate database queries through specially crafted input.

The Quiz And Survey Master plugin in versions up to and including 11.2.5 contains an unauthenticated Insecure Direct Object References (IDOR) vulnerability. This allows access to objects that a user should not be authorized to reach.

The Quiz and Survey Master (QSM) WordPress plugin before 11.2.4 does not perform a per-object ownership check on the REST routes that return a quiz's email-notification and results-page configuration, allowing users with contributor-level access and above to read the configuration, including notification recipient addresses, of quizzes created by other users.

The Quiz and Survey Master (QSM) WordPress plugin before 11.2.4 does not perform a per-object ownership check before saving a quiz's front-end text settings, allowing users with contributor-level access and above to modify the text settings of quizzes created by other users.

The Quiz and Survey Master plugin for WordPress up to version 11.2.1 is vulnerable to Stored Cross-Site Scripting via the 'question_title' parameter due to insufficient input sanitization and output escaping. Authenticated attackers with contributor-level access can inject arbitrary web scripts that execute when a user accesses an injected page.

Versions of Quiz And Survey Master <= 11.1.2 are vulnerable to unauthenticated Cross Site Scripting (XSS). An attacker can exploit this vulnerability to inject malicious scripts, potentially leading to user data theft.

Versions of Quiz And Survey Master <= 11.0.0 are vulnerable to unauthenticated Cross Site Scripting (XSS). An attacker can exploit this vulnerability to inject malicious JavaScript code.

The Quiz and Survey Master (QSM) plugin for WordPress up to version 11.1.2 is vulnerable to time-based blind SQL injection via the 'order' parameter. An authenticated attacker with admin privileges can append additional SQL queries and extract sensitive data from the database.

The Quiz and Survey Master (QSM) plugin for WordPress is vulnerable to unauthorized access and modification of data due to missing capability and status checks on multiple functions in all versions up to and including 10.3.1. This allows unauthenticated attackers to view details of unpublished, private, or password-protected quizzes, as well as submit file responses to questions from those quizzes, which allow file upload.