CVE-2026-12230
LearnPress <= 4.3.9.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'layout_custom_css'
- State
- Published
- Severity
- 6.4 Medium
- Published
- Sep 8, 2026
- Updated
- Sep 9, 2026
- Reserved
- Jun 14, 2026
Description
The LearnPress – WordPress LMS Plugin for Create and Sell Online Courses plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'layout_custom_css' parameter in all versions up to, and including, 4.3.9.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.4 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N | Wordfence |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
LearnPress – WordPress LMS Plugin for Create and Sell Online Coursesthimpress |
|
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/9f662888-c388-4191-bda9-b8a22d63cb3f?source=cve
- https://plugins.trac.wordpress.org/browser/learnpress/tags/4.3.4/inc/ExternalPlugin/Elementor/Widgets/Instructor/ListInstructorsElementor.php#L82
- https://plugins.trac.wordpress.org/browser/learnpress/tags/4.3.4/inc/ExternalPlugin/Elementor/Widgets/Instructor/ListInstructorsElementor.php#L45
- https://plugins.trac.wordpress.org/browser/learnpress/tags/4.4.0/inc/ExternalPlugin/Elementor/Widgets/Instructor/ListInstructorsElementor.php
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