The Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 11.1.4. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with contributor-level access and above, to create, modify, and delete quiz output templates stored in the mlw_quiz_output_templates database table, including storing unsanitized HTML content such as arbitrary script tags.
CVE-2026-9233 is a medium severity with CVSS 4.3 Authorization Bypass issue affecting the Plugin Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker. It affects Versions up to 11.1.4 and is fixed in 11.1.5.
Use the related hub and response guides to connect this CVE-2026-9233 report with patch validation, scanner checks, and site hardening work.
Open the grouped hub for related CVEs, affected ranges, severity mix, and patch coverage.
Check access, XML-RPC exposure, backup readiness, and monitoring after patching.
Use containment, evidence capture, remediation, and validation steps when exploit risk is high.
CVE-2026-9233 is tracked for the Plugin Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker as medium severity with CVSS 4.3. The affected range is Versions up to 11.1.4. Update Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker to 11.1.5 or newer where that version is compatible with the site.
Search engines and operators need more than a title. This page exposes the identifier, affected range, patch evidence, and source coverage that make the vulnerability actionable.
This report has a CVE identifier, which makes it suitable for focused search and vulnerability triage workflows.
Affected version data gives operators a concrete comparison point against installed WordPress software.
A fixed version is present, so the page can answer update and remediation intent directly.
External references are available for source validation, advisory review, and incident notes.
Use these checks when converting this record into a patch ticket, incident note, or risk acceptance decision.
Inventory the installed Plugin package and compare its version with Versions up to 11.1.4.
Confirm Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker is updated to 11.1.5 or newer.
Review references and CVSS vector details for exploitability, authentication requirements, and exposure path.
After patching, re-run vulnerability monitoring and keep the related plugin or theme hub under review for follow-up CVEs.
| Software Type | Plugin |
|---|---|
| Software Slug |
quiz-master-next
View on wordpress.org
|
| CVE | CVE-2026-9233 |
| Patched Versions |
11.1.5
|
| Affected Versions |
Versions up to 11.1.4
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Quiz And Survey Master – Best Quiz, Exam and Survey Plugin for WordPress <= 9.0.1 - Authenticated (Contributor+) SQL Injection
Quiz and Survey Master <= 8.1.4 - Unauthenticated SQL Injection
Quiz and Survey Master <= 7.0.0 - Arbitrary File Upload
Quiz And Survey Master <= 7.3.6 - Cross-Site Request Forgery
Quiz And Survey Master <= 7.1.11 - Authenticated SQL injection via shortcode
Quiz And Survey Master <= 4.7.8 - Cross-Site Request Forgery to Stored Cross-Site Scripting
Quiz and Survey Master <= 7.0.0 - Unauthenticated Arbitrary File Deletion
Quiz And Survey Master <= 10.2.5 - Unauthenticated PHP Object Injection
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