Threat intelligence

Masteriyo LMS – LMS Course Builder, Quizzes & Certificates < 2.3.3 - Authenticated (Custom Role+) Stored Cross-Site Scripting

CVE-2026-19712 · learning-management-system

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Learning Management System at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Masteriyo LMS – LMS Course Builder, Quizzes & Certificates < 2.3.3 - Authenticated (Custom Role+) Stored Cross-Site Scripting
Affected software: learning-management-system(Plugin)
Affected versions: < 2.3.3
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2026-19712
Published: 20 August 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory b274b118-cf2d-4b03-b39a-fa2806d3bd8a). Methodology and redistribution notes

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