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Case File

CVE-2023-4220

HIGH · CVSS 8.1 EPSS 76.08% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-11-28 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.1. It affects Java. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 76.1% probability of exploitation in the next 30 days. It may be remotely exploitable. Exploitation may require the attacker to be authenticated.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
remote code execution code execution
GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2023-4220
Severity
HIGH
CVSS
8.1
EPSS
76.08%
Java

Original NVD Description

Unrestricted file upload in big file upload functionality in `/main/inc/lib/javascript/bigupload/inc/bigUpload.php` in Chamilo LMS <= v1.11.24 allows unauthenticated attackers to perform stored cross-site scripting attacks and obtain remote code execution via uploading of web shell.

Related CVEs

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