CVSS 3.1 Score 5.3 of 10 (medium)


Published Oct 30, 2023
Updated: Nov 7, 2023
CWE ID 434


CVE-2023-42803 is a vulnerability in BigBlueButton, an open-source virtual classroom software. The vulnerability affects versions prior to 2.6.0-beta.2 and allows for unrestricted file upload, where the insertDocument API call does not validate the file extension before saving the file. This can lead to potential security risks as malicious files could be uploaded and executed within the system. The affected products include various versions of BigBlueButton, and the vulnerability has a risk score of 65. The recommended remediation is to update to BigBlueButton version 2.6.0-beta.2 or later, as it contains a patch for this vulnerability.

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