What’s Vulnerable › Vulnerabilities

CVE-2024-3994: Tutor LMS – eLearning and online course solution <= 2.6.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'tutor_instructor_list' Shortcode

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-04-25 · updated 2026-06-17
• Weakness: CWE-79

Description

The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'tutor_instructor_list' shortcode in all versions up to, and including, 2.6.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• themeum Tutor LMS – eLearning and online course solution: before 2.7.0 — fixed in 2.7.0

How to fix

Upgrade to a fixed version: themeum Tutor LMS – eLearning and online course solution 2.7.0. Check the vendor advisory for mitigations.

References

• https://plugins.trac.wordpress.org/changeset/3076302/tutor/tags/2.7.0/templates/shortcode/instructor-filter.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/324fc401-04ca-4707-8727-b8c3a66f7fd6?source=cve
• https://plugins.trac.wordpress.org/changeset/3076302/tutor/tags/2.7.0/templates/shortcode/instructor-filter.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/324fc401-04ca-4707-8727-b8c3a66f7fd6?source=cve

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