CVSS 3.1 Score 6.1 of 10 (medium)


Published Nov 28, 2023
Updated: Dec 4, 2023
CWE ID 434


CVE-2023-4220 is a cyber vulnerability that affects the Chamilo LMS version 1.11.24 and earlier. It allows unauthenticated attackers to perform stored cross-site scripting attacks and obtain remote code execution by uploading a web shell through the big file upload functionality. The vulnerability has a risk score of 27 and a base severity of MEDIUM, with a base score of 6.1 according to NVD. The exploitability score is 2.8, indicating it is moderately easy to exploit, and user interaction is required for the attack. The potential danger this vulnerability poses to an organization includes the possibility of executing malicious code on the affected system, compromising data integrity, and potentially leading to further attacks on network resources or sensitive information. It is recommended to remediate this vulnerability by updating Chamilo LMS to a version that addresses this issue or implementing appropriate security measures to mitigate the risk of exploitation.


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