Description
The Masteriyo LMS WordPress plugin before 3.4.1 does not sanitise and escape one of its course fields before outputting it back in the course editor, allowing users with the instructor role to perform Stored Cross-Site Scripting attacks against higher privileged users such as administrators.
Published: 2026-09-12
Score: 6.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

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History

Sat, 12 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H'}

ssvc

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


Sat, 12 Sep 2026 08:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79

Sat, 12 Sep 2026 06:15:00 +0000

Type Values Removed Values Added
Description The Masteriyo LMS WordPress plugin before 3.4.1 does not sanitise and escape one of its course fields before outputting it back in the course editor, allowing users with the instructor role to perform Stored Cross-Site Scripting attacks against higher privileged users such as administrators.
Title Masteriyo LMS < 3.4.1 - Instructor+ Stored XSS via Course Highlights
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-09-12T15:32:53.903Z

Reserved: 2026-08-31T08:27:25.822Z

Link: CVE-2026-82847

cve-icon Vulnrichment

Updated: 2026-09-12T15:21:45.983Z

cve-icon NVD

Status : Received

Published: 2026-09-12T06:16:26.147

Modified: 2026-09-12T16:16:40.697

Link: CVE-2026-82847

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-12T18:15:19Z

Weaknesses
  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')