The LearnPress – WordPress LMS Plugin plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'save_post_materials' function in versions up to, and including, 4.2.6.5. This makes it possible for authenticated attackers, with Instructor-level permissions and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.
Conclusion & alert: CVE-2024-4397 is rated Moderate Risk (50.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.03%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 9.39% | 1.03% | -8.37% |
| 2 | 2026-03-16 | 14.89% | 9.39% | -5.50% |
| 3 | 2025-11-21 | — | 14.89% | — |
Full EPSS history (25 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| thimpress | learnpress | < 4.2.6.6 | cpe:2.3:a:thimpress:learnpress:*:*:*:*:*:wordpress:*:* |