CVE-2026-75331

Medium severity, CVSS 4.6. EPSS: 0.2% chance of exploitation in the next 30 days.

tamguo 1.5.3 is vulnerable to Unrestricted File Upload Leading to Stored XSS. The /uploadFile and /imgUpload endpoints in FileUploadController.java and UEditorController.java have no file type validation. Attackers can upload arbitrary HTML/JavaScript files to the server.

Published 2026-08-26. Last modified 2026-08-31.