CVE-2018-1002203: Unzipper Project Unzipper

Medium severity, CVSS 5.5. EPSS: 10.6% chance of exploitation in the next 30 days.

unzipper npm library before 0.8.13 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.

Affected products

Published 2018-07-25. Last modified 2026-06-17.