CVE-2023-1789: Firefly-Iii Firefly Iii

Critical severity, CVSS 9.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper Input Validation in GitHub repository firefly-iii/firefly-iii prior to 6.0.0.

Affected products

• Firefly-Iii Firefly Iii: before 5.7.18 (fixed in 5.7.18); version 5.8.0 only; version 6.0.0 only

Published 2023-04-01. Last modified 2026-06-17.