CVE-2026-15963: CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') in expresstech Quiz and Survey Master (QSM) – Quiz Maker & Survey Maker
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.
AI Analysis
Technical Summary
CVE-2026-15963 is a SQL Injection vulnerability in the Quiz and Survey Master (QSM) WordPress plugin, specifically via the 'randon_category' quiz option. The flaw arises from improper neutralization of special elements in SQL commands, allowing authenticated attackers with custom-level access or above to inject additional SQL queries. This vulnerability affects all versions up to and including 11.2.1 and can be exploited to extract sensitive information from the database. The CVSS 3.1 base score is 6.5, indicating a medium severity with network attack vector, low attack complexity, and requiring privileges but no user interaction.
Potential Impact
An authenticated attacker with custom-level access or higher can exploit this vulnerability to perform SQL Injection attacks. This can lead to unauthorized extraction of sensitive information from the database. The vulnerability does not impact integrity or availability according to the CVSS vector, but confidentiality is rated high.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict user privileges to limit access to trusted users only. Monitor for updates from the plugin vendor and apply patches promptly once available.
CVE-2026-15963: CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') in expresstech Quiz and Survey Master (QSM) – Quiz Maker & Survey Maker
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.
CVSS v3.1
Score 6.5medium
Affected software
expresstech
Quiz and Survey Master (QSM) – Quiz Maker & Survey Maker
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-15963 is a SQL Injection vulnerability in the Quiz and Survey Master (QSM) WordPress plugin, specifically via the 'randon_category' quiz option. The flaw arises from improper neutralization of special elements in SQL commands, allowing authenticated attackers with custom-level access or above to inject additional SQL queries. This vulnerability affects all versions up to and including 11.2.1 and can be exploited to extract sensitive information from the database. The CVSS 3.1 base score is 6.5, indicating a medium severity with network attack vector, low attack complexity, and requiring privileges but no user interaction.
Potential Impact
An authenticated attacker with custom-level access or higher can exploit this vulnerability to perform SQL Injection attacks. This can lead to unauthorized extraction of sensitive information from the database. The vulnerability does not impact integrity or availability according to the CVSS vector, but confidentiality is rated high.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict user privileges to limit access to trusted users only. Monitor for updates from the plugin vendor and apply patches promptly once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-07-16T14:48:45.339Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a813f88bf8831d539784bb3
Added to database: 08/16/2026, 04:41:44 UTC
Last enriched: 08/23/2026, 13:22:37 UTC
Last updated: 09/30/2026, 06:54:37 UTC
Views: 51
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