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CVE-2026-19712

MEDIUM 6.1 CVSS 3.1
Published
August 16, 2026
Last modified
August 26, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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 affected page, including administrators. This affects default single-site installations. Sites running multisite, or defining DISALLOW_UNFILTERED_HTML, are not affected as the capability is not granted there.

Affected WordPress components

  • Masteriyo LMS – LMS Course Builder, Quizzes & Certificates Plugin · learning-management-system
    Confirmed match Active
    Before 2.3.3
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Masteriyo LMS — Before 2.3.3

References

  • wpscan.com https://wpscan.com/vulnerability/08c31101-ee38-46e9-b451-abb1ed70079c/
  • nvd.nist.gov Official NVD record