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CVE-2026-81338

MEDIUM 4.6 CVSS 3.1
Published
September 23, 2026
Last modified
September 23, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-345
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Description

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not properly sanitise and restrict HTML in user-submitted content before storing it and rendering it to other users, allowing users with subscriber-level accounts and above to perform stored HTML injection, such as embedding iframes, that can be leveraged for phishing and content spoofing against other users viewing the content.

Affected WordPress components

  • MasterStudy LMS WordPress Plugin – for Online Courses and Education Plugin · masterstudy-lms-learning-management-system
    Confirmed match Active
    Before 3.7.50
    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 MasterStudy LMS WordPress Plugin — Before 3.7.50

References

  • wpscan.com https://wpscan.com/vulnerability/e8494c71-fb0f-4ab9-a8b7-8db3745a2d9b/
  • nvd.nist.gov Official NVD record