Medium severity · published Sep 8, 2026
CVE-2026-12230
LearnPress <= 4.3.9.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'layout_custom_css'
6.4
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LW
LearnPress – WordPress LMS Plugin for Create and Sell Online Courses · thimpress
through 4.3.9.1 · source: vendor
Affected product
LW
LearnPress – WordPress LMS Plugin for Create and Sell Online Courses
thimpress
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-12230
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-12230
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/learnpress/tags/4.3.4/inc/ExternalPlugin/Elementor/Widgets/Instructor/ListInstructorsElementor.php#L45
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/learnpress/tags/4.3.4/inc/ExternalPlugin/Elementor/Widgets/Instructor/ListInstructorsElementor.php#L82
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/learnpress/tags/4.4.0/inc/ExternalPlugin/Elementor/Widgets/Instructor/ListInstructorsElementor.php
www.wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/9f662888-c388-4191-bda9-b8a22d63cb3f?source=cve
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