CWE
79 80
Advisory Published
Updated

CVE-2021-39348: LearnPress – WordPress LMS Plugin <= 4.1.3.1 Authenticated Stored Cross-Site Scripting

First published: Thu Oct 21 2021(Updated: )

The LearnPress WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient escaping on the $custom_profile parameter found in the ~/inc/admin/views/backend-user-profile.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 4.1.3.1. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled. Please note that this is seperate from CVE-2021-24702.

Credit: security@wordfence.com

Affected SoftwareAffected VersionHow to fix
Thimpress Learnpress<=4.1.3.1

Remedy

Update to version 4.1.3.2 or newer.

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Frequently Asked Questions

  • What is the vulnerability ID for the LearnPress WordPress plugin vulnerability?

    The vulnerability ID for the LearnPress WordPress plugin vulnerability is CVE-2021-39348.

  • What is the severity of CVE-2021-39348?

    The severity of CVE-2021-39348 is medium with a severity value of 4.8.

  • What is the affected software for CVE-2021-39348?

    The affected software for CVE-2021-39348 is the LearnPress WordPress plugin in versions up to and including 4.1.3.1.

  • How does the LearnPress WordPress plugin vulnerability occur?

    The LearnPress WordPress plugin vulnerability occurs due to insufficient escaping on the $custom_profile parameter found in the ~/inc/admin/views/backend-user-profile.php file.

  • What can attackers do with the LearnPress WordPress plugin vulnerability?

    Attackers with administrative user access can inject arbitrary web scripts.

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