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CVE-2026-82846

MEDIUM 6.8 CVSS 3.1
Published
September 5, 2026
Last modified
September 8, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

Description

The Masteriyo LMS WordPress plugin before 3.4.0 does not sanitise and escape some course settings before outputting them in a page available to all visitors, allowing users with a course-author role to perform Stored Cross-Site Scripting attacks that run in the session of anyone viewing the course, including a logged-in administrator.

Affected WordPress components

  • Masteriyo LMS – LMS Course Builder, Quizzes & Certificates Plugin · learning-management-system
    Confirmed match Active
    From 1.18.0 (including) to 3.4.0 (excluding)
    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 — From 1.18.0 (including) to 3.4.0 (excluding)

References

  • wpscan.com https://wpscan.com/vulnerability/0ee2052c-90a8-4b98-947a-adc55feb1de7/
  • nvd.nist.gov Official NVD record