CVE-2021-38677: QNAP Qcalagent

Medium severity, CVSS 6.1. EPSS: 0.7% chance of exploitation in the next 30 days.

A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running QcalAgent. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of QcalAgent: QcalAgent 1.1.7 and later

Affected products

• QNAP Qcalagent: before 1.1.7 (fixed in 1.1.7)

Published 2022-01-14. Last modified 2026-06-17.