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.
Published: 2026-09-23
Score: 4.6 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 23 Sep 2026 11:45:00 +0000

Type Values Removed Values Added
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.
Title MasterStudy LMS < 3.7.50 - Subscriber+ Stored HTML Injection via Course Discussions
Weaknesses CWE-345
References
Metrics cvssV3_1

{'score': 4.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-09-23T10:59:21.227Z

Reserved: 2026-08-26T18:07:02.182Z

Link: CVE-2026-81338

cve-icon Vulnrichment

Updated: 2026-09-23T10:38:19.786Z

cve-icon NVD

Status : Received

Published: 2026-09-23T06:17:02.150

Modified: 2026-09-23T11:17:11.727

Link: CVE-2026-81338

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-23T15:30:07Z

Weaknesses
  • CWE-345

    Insufficient Verification of Data Authenticity