CVE Catalog

CVE-2026-13767

MediumCVSS 6.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.25%

16th percentile - higher than 16% of all known CVEs

Summary

The Quiz Master Next plugin for WordPress up to version 11.2.0 is vulnerable to SQL Injection via stored quiz page data. This is due to insufficient escaping of the 'pages' parameter in the qsm_ajax_save_pages() AJAX handler and lack of prepared SQL statement in qsm_options_questions_tab_content(), allowing authenticated attackers with Author-level access or higher to inject malicious SQL.

Risk Assessment

An attacker can exploit this vulnerability to execute additional SQL queries, potentially extracting sensitive information from the database, such as user credentials or other confidential data, when any user views the quiz's Questions tab.

Recommendation

Immediately update the Quiz Master Next plugin to the latest available version that fixes this vulnerability. Until then, restrict user roles with Author-level access and above, and monitor for unusual SQL queries.

Related vulnerabilities

Original NVD description (English source)

The Quiz Master Next plugin for WordPress is vulnerable to SQL Injection via stored quiz page data in versions up to, and including, 11.2.0. This is due to insufficient escaping on the user-supplied 'pages' parameter persisted by the qsm_ajax_save_pages() AJAX handler (sanitize_text_field only) and lack of sufficient preparation on the existing SQL query built in qsm_options_questions_tab_content() at line 143, where the stored page IDs are interpolated into an IN() clause via implode() with no $wpdb->prepare() and no integer casting. This makes it possible for authenticated attackers, with Author-level access and above (who can own a quiz they are entitled to edit), to plant a SQL payload that is executed second-order whenever any user (including an administrator) views the quiz's Questions tab, allowing them to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS