Advisory Published

CVE-2021-24873: XSS

First published: Tue Nov 23 2021(Updated: )

The Tutor LMS WordPress plugin before 1.9.11 does not sanitise and escape user input before outputting back in attributes in the Student Registration page, leading to a Reflected Cross-Site Scripting issue


Affected SoftwareAffected VersionHow to fix
Themeum Tutor Lms<1.9.11

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Frequently Asked Questions

  • What is CVE-2021-24873?

    CVE-2021-24873 is a vulnerability in the Tutor LMS WordPress plugin before 1.9.11 that allows for a Reflected Cross-Site Scripting (XSS) attack.

  • How does CVE-2021-24873 affect the Tutor LMS WordPress plugin?

    CVE-2021-24873 affects the Tutor LMS WordPress plugin before version 1.9.11 by not sanitizing and escaping user input, leading to a Reflected Cross-Site Scripting issue.

  • What is the severity of CVE-2021-24873?

    The severity of CVE-2021-24873 is medium, with a severity value of 6.1.

  • How can I fix CVE-2021-24873?

    To fix CVE-2021-24873, update the Tutor LMS WordPress plugin to version 1.9.11 or later.

  • Where can I find more information about CVE-2021-24873?

    More information about CVE-2021-24873 can be found at the following references: [1](, [2](


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