WordPress Masteriyo LMS plugin < 2.3.3 - Instructor+ Stored XSS via Quiz Description vulnerability

Instructor+ Stored XSS via Quiz Description vulnerability discovered by Farid Narimanov in WordPress Plugin Masteriyo - LMS versions 2.3.3...

CVE-2026-73996

Unauthenticated Arbitrary File Upload in Masteriyo - LMS = 2.3.2 versions...

CVE-2026-73996

The Masteriyo LMS WordPress plugin (≤2.3.2) allows unauthenticated arbitrary file uploads, enabling remote code execution on affected sites. Patchstack rates it Critical (CVSS 9.8). No patch version or exploitation evidence is provided in the documents.

CVE-2026-73996 WordPress Masteriyo - LMS plugin <= 2.3.2 - Arbitrary File Upload vulnerability

Unauthenticated Arbitrary File Upload in Masteriyo - LMS = 2.3.2 versions...

CVE-2026-73996 WordPress Masteriyo - LMS plugin <= 2.3.2 - Arbitrary File Upload vulnerability

Unauthenticated Arbitrary File Upload in Masteriyo - LMS = 2.3.2 versions...

PT-2026-77124

Name of the Vulnerable Software and Affected Versions Masteriyo - LMS versions prior to 2.3.3 Description An unauthenticated arbitrary file upload issue exists, allowing an attacker to upload files to the server without requiring authentication. Recommendations Update Masteriyo - LMS to a version...

CVE-2026-19712

The Masteriyo LMS WordPress plugin before 2.3.3 does not sanitise and escape a quiz field before outputting it back in a page, and grants its instructor role the ability to store unfiltered HTML, allowing such users to perform Stored Cross-Site Scripting attacks against any visitor of the affecte...

CVE-2026-19712

The Masteriyo LMS WordPress plugin (versions before 2.3.3 ) is vulnerable to Stored Cross-Site Scripting (XSS) because it fails to sanitize and escape a quiz field before outputting it back to a page. The plugin grants users with the instructor role the ability to store unfiltered HTML, which can...

EUVD-2026-59915

The Masteriyo LMS WordPress plugin before 2.3.3 does not sanitise and escape a quiz field before outputting it back in a page, and grants its instructor role the ability to store unfiltered HTML, allowing such users to perform Stored Cross-Site Scripting attacks against any visitor of the affecte...

CVE-2026-19712 Masteriyo LMS < 2.3.3 - Instructor+ Stored XSS via Quiz Description

The Masteriyo LMS WordPress plugin before 2.3.3 does not sanitise and escape a quiz field before outputting it back in a page, and grants its instructor role the ability to store unfiltered HTML, allowing such users to perform Stored Cross-Site Scripting attacks against any visitor of the affecte...

CVE-2026-19712 Masteriyo LMS < 2.3.3 - Instructor+ Stored XSS via Quiz Description

The Masteriyo LMS WordPress plugin before 2.3.3 does not sanitise and escape a quiz field before outputting it back in a page, and grants its instructor role the ability to store unfiltered HTML, allowing such users to perform Stored Cross-Site Scripting attacks against any visitor of the affecte...

CVE-2026-19712

The Masteriyo LMS WordPress plugin before 2.3.3 does not sanitise and escape a quiz field before outputting it back in a page, and grants its instructor role the ability to store unfiltered HTML, allowing such users to perform Stored Cross-Site Scripting attacks against any visitor of the affecte...

CVE-2026-19712: Improper Neutralization of Input During Web Page Generation

The Masteriyo LMS WordPress plugin before 2.3.3 does not sanitise and escape a quiz field before outputting it back in a page, and grants its instructor role the ability to store unfiltered HTML, allowing such users to perform Stored Cross-Site Scripting attacks against any visitor of the affecte...

PT-2026-73123

Name of the Vulnerable Software and Affected Versions Masteriyo LMS versions prior to 2.3.3 Description The plugin fails to sanitize and escape a quiz field before outputting it on a page. This allows users with the instructor role to store unfiltered HTML, enabling Stored Cross-Site Scripting XS...

CVE-2026-13332

The Masteriyo LMS WordPress plugin before 2.3.1 does not correctly verify authorization on an unauthenticated AJAX action used to clear user sessions, allowing unauthenticated attackers to terminate the active sessions force-logout of any user on the site, including administrators...

CVE-2026-13332 Masteriyo LMS < 2.3.1 - Unauthenticated Arbitrary User Session Termination (Denial of Service)

The Masteriyo LMS WordPress plugin before 2.3.1 does not correctly verify authorization on an unauthenticated AJAX action used to clear user sessions, allowing unauthenticated attackers to terminate the active sessions force-logout of any user on the site, including administrators...

EUVD-2026-49070

The Masteriyo LMS WordPress plugin before 2.3.1 does not correctly verify authorization on an unauthenticated AJAX action used to clear user sessions, allowing unauthenticated attackers to terminate the active sessions force-logout of any user on the site, including administrators...

CVE-2026-13332 Masteriyo LMS < 2.3.1 - Unauthenticated Arbitrary User Session Termination (Denial of Service)

The Masteriyo LMS WordPress plugin before 2.3.1 does not correctly verify authorization on an unauthenticated AJAX action used to clear user sessions, allowing unauthenticated attackers to terminate the active sessions force-logout of any user on the site, including administrators...

CVE-2026-13332: Improper Authentication

The Masteriyo LMS WordPress plugin before 2.3.1 does not correctly verify authorization on an unauthenticated AJAX action used to clear user sessions, allowing unauthenticated attackers to terminate the active sessions force-logout of any user on the site, including administrators...

CVE-2026-59513

CVE-2026-59513 concerns the WordPress Masteriyo LMS plugin (versions ≤ 2.3.0). The issue is a Cross Site Scripting (XSS) vulnerability in the Subscriber context. Per Patchstack, the CVSSv3.1 base score is 6.5 (Medium) with vector AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L , indicating network attack sur...