CVE-2015-1577: Yuba u5cms

Medium severity, CVSS 6.4. EPSS: 7.3% chance of exploitation in the next 30 days.

Directory traversal vulnerability in u5admin/deletefile.php in u5CMS before 3.9.4 allows remote attackers to write to arbitrary files via a (1) .. (dot dot) or (2) full pathname in the f parameter.

Affected products

• Yuba u5cms: up to and including 3.9.3

Published 2015-02-11. Last modified 2026-06-17.