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CVE-2026-125787

WordPress Quiz And Survey Master plugin <= 11.3.0 - Broken Access Control vulnerability

Missing Authorization vulnerability in ExpressTech Quiz And Survey Master quiz-master-next allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Quiz And Survey Master: from n/a through 11.3.0.

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Vendors
Expresstech Wordpress-extensions
Products
Quiz And Survey Master Quiz And Survey Master
CVE-2026-125786

WordPress Quiz And Survey Master plugin <= 11.3.0 - Content Injection vulnerability

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in ExpressTech Quiz And Survey Master quiz-master-next allows Code Injection.This issue affects Quiz And Survey Master: from n/a through 11.3.0.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Expresstech Wordpress-extensions
Products
Quiz And Survey Master Quiz And Survey Master
CVE-2026-97289

WordPress Quiz And Survey Master plugin <= 11.2.6 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ExpressTech Quiz And Survey Master quiz-master-next allows DOM-Based XSS.This issue affects Quiz And Survey Master: from n/a through 11.2.6.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Expresstech Wordpress-extensions
Products
Quiz And Survey Master Quiz And Survey Master
CVE-2026-104391

WordPress Quiz And Survey Master plugin <= 11.2.7 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ExpressTech Quiz And Survey Master quiz-master-next allows Stored XSS.This issue affects Quiz And Survey Master: from n/a through 11.2.7.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Expresstech Wordpress-extensions
Products
Quiz And Survey Master Quiz And Survey Master
CVE-2026-62140

WordPress Quiz And Survey Master plugin <= 11.2.5 - Insecure Direct Object References (IDOR) vulnerability

Unauthenticated Insecure Direct Object References (IDOR) in Quiz And Survey Master <= 11.2.5 versions.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Expresstech Wordpress
Products
Quiz And Survey Master Wordpress
CVE-2026-11780

Quiz and Survey Master (QSM) <= 11.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'question_title' Parameter

The Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'question_title' parameter in all versions up to, and including, 11.2.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed
Vendors
Expresstech Wordpress
Products
Quiz And Survey Master (qsm) – Easy Quiz And Survey Maker Wordpress
CVE-2026-15963

Quiz and Survey Master (QSM) <= 11.2.1 - Authenticated (Contributor+) SQL Injection via 'randon_category' Quiz Option

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 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Expresstech Wordpress
Products
Quiz And Survey Master (qsm) – Easy Quiz And Survey Maker Wordpress
CVE-2026-13767

Quiz and Survey Master (QSM) <= 11.2.0 - Authenticated (Custom+) SQL Injection via 'pages' Parameter

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.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Expresstech Wordpress
Products
Quiz And Survey Master (qsm) – Easy Quiz And Survey Maker Wordpress
CVE-2026-9230

Quiz and Survey Master (QSM) <= 11.1.4 - Missing Authorization to Authenticated (Contributor+) Arbitrary Quiz Modification and Email Reroute via Leaked Nonce from /quiz/structure

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 modify quizzes they do not own, overwrite quiz results pages, and reroute quiz-result notification emails to attacker-controlled addresses. An attacker first calls the /quiz/structure endpoint with an arbitrary victim quiz ID to obtain a valid nonce bound to that quiz ID and their own user ID, then presents that nonce to the /quizzes/{id}/emails save endpoint, which accepts it without verifying quiz ownership.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Expresstech Wordpress
Products
Quiz And Survey Master (qsm) – Easy Quiz And Survey Maker Wordpress
CVE-2026-9233

Quiz and Survey Master (QSM) <= 11.1.4 - Missing Authorization to Authenticated (Contributor+) Arbitrary Modification via qsm_insert_quiz_template AJAX Action

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.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Expresstech Wordpress
Products
Quiz And Survey Master (qsm) – Easy Quiz And Survey Maker Wordpress
CVE-2026-6448

Quiz and Survey Master (QSM) <= 11.1.2 - Authenticated (Admin+) SQL Injection via 'order' and 'limit' Parameters

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.

CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed
Vendors
Expresstech Wordpress
Products
Quiz And Survey Master (qsm) – Easy Quiz And Survey Maker Wordpress
CVE-2023-37984

WordPress Quiz And Survey Master plugin <= 8.1.10 - Broken Access Control vulnerability

Missing Authorization vulnerability in ExpressTech Quiz And Survey Master allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Quiz And Survey Master: from n/a through 8.1.10.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Expresstech Wordpress
Products
Quiz And Survey Master Wordpress
CVE-2023-51521

WordPress Quiz And Survey Master plugin <= 8.1.18 - Cross Site Request Forgery (CSRF) vulnerability

Cross-Site Request Forgery (CSRF) vulnerability in ExpressTech Quiz And Survey Master.This issue affects Quiz And Survey Master: from n/a through 8.1.18.

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Vendors
Expresstech Wordpress
Products
Quiz And Survey Master Wordpress
CVE-2023-28787

WordPress Quiz And Survey Master plugin <= 8.1.4 - Unauthenticated SQL Injection vulnerability

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in ExpressTech Quiz And Survey Master.This issue affects Quiz And Survey Master: from n/a through 8.1.4.

CVSS 3.1 · 9.3 Critical EPSS 2.0% KEV · Not listed
Vendors
Expresstech Wordpress
Products
Quiz And Survey Master Wordpress
CVE-2021-36898

WordPress Quiz And Survey Master plugin <= 7.3.4 - Auth. SQL Injection (SQLi) vulnerability

Auth. SQL Injection (SQLi) vulnerability in Quiz And Survey Master plugin <= 7.3.4 on WordPress.

CVSS 3.1 · 7.5 High EPSS 1.1% KEV · Not listed
Vendors
Expresstech
Products
Quiz And Survey Master
CVE-2025-63054

WordPress Quiz And Survey Master plugin <= 10.3.2 - Broken Access Control vulnerability

Missing Authorization vulnerability in ExpressTech Systems Quiz And Survey Master quiz-master-next allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Quiz And Survey Master: from n/a through <= 10.3.2.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Expresstech Wordpress
Products
Quiz And Survey Master Wordpress