CVE-2021-23363: Kill-By-Port Project Kill-By-Port

High severity, CVSS 8.8. EPSS: 1.8% chance of exploitation in the next 30 days.

This affects the package kill-by-port before 0.0.2. If (attacker-controlled) user input is given to the killByPort function, it is possible for an attacker to execute arbitrary commands. This is due to use of the child_process exec function without input sanitization.

Affected products

• Kill-By-Port Project Kill-By-Port: before 0.0.2 (fixed in 0.0.2)

Published 2021-03-30. Last modified 2026-06-17.