expresstech Quiz and Survey Master Plugin up to 11.1.2 on WordPress order sql injection

Summaryinfo

A vulnerability was found in expresstech Quiz and Survey Master Plugin up to 11.1.2 on WordPress. It has been declared as critical. This issue affects some unknown processing. Such manipulation of the argument order leads to sql injection. This vulnerability is uniquely identified as CVE-2026-6448. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in expresstech Quiz and Survey Master Plugin up to 11.1.2 on WordPress and classified as problematic. Affected by this issue is some unknown processing. The manipulation of the argument order with an unknown input leads to a sql injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality. CVE summarizes:

The Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker plugin for WordPress is vulnerable to time-based blind SQL Injection via the 'order' parameter in all versions up to, and including, 11.1.2 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 admin-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. If the secret key is exposed, this can be exploited by lower-privileged users.

The weakness was disclosed by Drew Webber. The advisory is shared for download at wordfence.com. This vulnerability is handled as CVE-2026-6448 since 04/16/2026. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1505.

Upgrading to version 10.3.5 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-34930). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Survey Software

Vendor

• expresstech

Name

• Quiz and Survey Master Plugin

Version

• 11.1.0
• 11.1.1
• 11.1.2

CPE 2.3info

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CPE 2.2info

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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