CVE-2021-3983: KIMAI2 Project KIMAI2

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

kimai2 is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected products

• KIMAI2 Project KIMAI2: before 1.16.3 (fixed in 1.16.3)

Published 2021-12-01. Last modified 2026-06-17.