Stored Cross-Site Scripting Vulnerability in Tutor LMS eLearning Plugin for WordPress
CVE-2026-13443

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Tutor Lms – Elearning And Online Course Solution
Vendor
CVE Published:
1 July 2026

What is CVE-2026-13443?

The Tutor LMS plugin, used for eLearning and online courses on WordPress, is susceptible to Stored Cross-Site Scripting through the Lesson Attachment Title feature. This vulnerability arises from inadequate input sanitization and output escaping, allowing authenticated attackers with author-level access or higher to inject malicious web scripts. These scripts can execute on the affected pages when accessed by users, posing significant security risks.

Affected Version(s)

Tutor LMS – eLearning and online course solution 0 <= 3.9.13

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/tutor/tags/3.9...
https://plugins.trac.wordpress.org/browser/tutor/tags/3.9...

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

skyv3il
.