Tutor LMS <= 1.9.8 - Admin+ Stored Cross-Site Scripting

5.5
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2021-24740
CVSS 5.5 (Medium)
Publicly Published September 20, 2021
Last Updated January 11, 2023
Researcher Shivam Rai

Description

The Tutor LMS WordPress plugin before 1.9.9 does not escape some of its settings before outputting them in attributes, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

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Vulnerability Details for Tutor LMS – eLearning and online course solution

Software Type Plugin
Software Slug tutor (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.9.9, or a newer patched version
Affected Version
  • < 1.9.9
Patched Version
  • 1.9.9

Recent vulnerabilities in Tutor LMS – eLearning and online course solution

# Title CVE ID CVSS Researchers Date
1 Tutor LMS – eLearning and online course solution < 4.0.6 - Authenticated (Custom Role+) Arbitrary File Read CVE-2026-19093 6.5 Sai Praneeth Koti August 28, 2026
2 Tutor LMS <= 4.0.5 - Unauthenticated Remote Code Execution via 'template' and 'data' POST Parameters CVE-2026-16759 6.5 Slopothecary August 27, 2026
3 Tutor LMS – eLearning and online course solution < 4.0.6 - Unauthenticated SQL Injection CVE-2026-19094 7.5 Jakub Herman August 24, 2026
4 Tutor LMS <= 4.0.5 - Authenticated (Instructor+) Insecure Direct Object Reference CVE-2026-14187 4.3 Mustafa Ahmed August 20, 2026
5 Tutor LMS – eLearning and online course solution < 4.0.0 - Missing Authorization CVE-2026-14310 4.3 Sanjar Tulkinov July 30, 2026
6 Tutor LMS <= 4.0.1 - Authenticated (Administrator+) SQL Injection via 'coupon_code' Parameter CVE-2026-15444 4.9 Wordfence PRISM July 27, 2026
7 Tutor LMS <= 4.0.0 - Authenticated (Subscriber+) SQL Injection via Stored Quiz Answer Array CVE-2026-15022 6.5 Supakiad S. (m3ez) July 15, 2026
8 Tutor LMS – eLearning and online course solution <= 3.9.13 - Unauthenticated Insecure Direct Object Reference CVE-2026-57694 4.3 TristanInSec July 6, 2026
9 Tutor LMS <= 3.9.13 - Authenticated (Subscriber+) Information Exposure CVE-2026-14306 4.3 John Umoru July 2, 2026
10 Tutor LMS <= 3.9.13 - Authenticated (Author+) Stored Cross-Site Scripting via Lesson Attachment Title CVE-2026-13443 6.4 skyv3il June 30, 2026

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