CVE-2021-39348
5.5 MEDIUMThe LearnPress WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient escaping on the $custom_profile paramete...
Published: 2021-10-21 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 5.5 MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
- CWE
- CWE-79, CWE-80
Affected products
| Vendor | Product |
|---|---|
| thimpress | learnpress |
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-39348
- [Exploit reference]https://github.com/BigTiger2020/word-press/blob/main/LearnPress.md
- [Patch]https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2614592%40learnpress&new=2614592%40learnpress&sfp_email=&sfph_mail=
- [Other]https://wordfence.com/vulnerability-advisories/#CVE-2021-39348
- [Exploit reference]https://github.com/BigTiger2020/word-press/blob/main/LearnPress.md
- [Patch]https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2614592%40learnpress&new=2614592%40learnpress&sfp_email=&sfph_mail=
- [Other]https://wordfence.com/vulnerability-advisories/#CVE-2021-39348
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