CVE-2018-9109: STD42 Elfinder

Critical severity, CVSS 9.1. EPSS: 2.9% chance of exploitation in the next 30 days.

Studio 42 elFinder before 2.1.36 has a directory traversal vulnerability in elFinder.class.php with the zipdl() function that can allow a remote attacker to download files accessible by the web server process and delete files owned by the account running the web server process.

Affected products

• STD42 Elfinder: before 2.1.36 (fixed in 2.1.36)

Published 2018-03-28. Last modified 2026-06-17.