CVE-2026-15963
Received Received - Intake

SQL Injection in Quiz and Survey Master WordPress Plugin

Publication date: 2026-08-16

Last updated on: 2026-08-16

Assigner: Wordfence

Description
The Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker plugin for WordPress is vulnerable to generic SQL Injection via 'randon_category' Quiz Option in all versions up to, and including, 11.2.1 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with custom-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

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Meta Information

Published
2026-08-16
Last Modified
2026-08-16
Generated
2026-08-16
AI Q&A
2026-08-16
EPSS Evaluated
N/A
NVD
CVE-2026-15963
EUVD
EUVD-2026-59866

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
quiz_and_survey_master qsm to 11.2.1 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-89 The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.

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Executive Summary

The Quiz and Survey Master (QSM) WordPress plugin has a SQL Injection vulnerability in versions up to 11.2.1. It occurs due to insufficient escaping of the 'randon_category' parameter and lack of proper SQL query preparation. This allows authenticated attackers with custom-level access or higher to inject malicious SQL queries and extract sensitive database information.

Detection Guidance

Detecting this vulnerability requires checking for the presence of the Quiz and Survey Master plugin versions up to 11.2.1. Inspect WordPress installations for the plugin and verify its version. Look for unusual database queries or suspicious activity in logs that may indicate SQL injection attempts.

Impact Analysis

An attacker could exploit this to steal sensitive data from your WordPress database, such as user credentials, personal information, or other confidential content. Since it requires authenticated access, the risk is higher for sites with multiple users or public-facing quizzes/surveys.

Compliance Impact

This vulnerability could lead to unauthorized access and exfiltration of personal data, violating GDPR and HIPAA requirements for data protection. Organizations may face legal penalties, reputational damage, and loss of customer trust if such breaches occur due to unpatched software.

Mitigation Strategies

Immediately update the Quiz and Survey Master plugin to the latest version beyond 11.2.1. If updating is not possible, consider disabling or removing the plugin until a patch is applied. Review database access logs for signs of exploitation and restrict custom-level user access to minimize risk.

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