CVE-2023-3491: Fossbilling

High severity, CVSS 8.8. EPSS: 0.9% chance of exploitation in the next 30 days.

Unrestricted Upload of File with Dangerous Type in GitHub repository fossbilling/fossbilling prior to 0.5.3.

Affected products

• Fossbilling Fossbilling: before 0.5.3 (fixed in 0.5.3)

Published 2023-06-30. Last modified 2026-06-17.