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CVE-2021-39348

MEDIUM 4.8 CVSS 3.1
Published
October 21, 2021
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-80, CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Description

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.

Affected WordPress components

  • LearnPress – WordPress LMS Plugin for Create and Sell Online Courses Plugin · learnpress
    Confirmed match Active
    From 4.1.3.1 (including) to 4.1.3.1 (including); Up to and including 4.1.3.1
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • LearnPress LearnPress — From 4.1.3.1 (including) to 4.1.3.1 (including)
  • thimpress learnpress — Up to and including 4.1.3.1

References

  • github.com https://github.com/BigTiger2020/word-press/blob/main/LearnPress.md Exploit, Third Party Advisory
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2614592%40learnpress&new=2614592%40learnpress&sfp_email=&sfph_mail= Patch, Third Party Advisory
  • wordfence.com https://wordfence.com/vulnerability-advisories/#CVE-2021-39348 Third Party Advisory
  • nvd.nist.gov Official NVD record