KBVault Mysql Free Knowledge Base application package 0.16a comes with a FileExplorer/Explorer.aspx?id=/Uploads file-management component. An unauthenticated user can access the file upload and deletion functionality. Through this functionality, a user can upload an ASPX script to Uploads/Documents/ to run any arbitrary code.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
4.3% chance of exploitation in the next 30 days; higher than 91% of CVEs (scores of 2026-10-31)