What’s Vulnerable › Vulnerabilities

CVE-2020-36196: Stored XSS Vulnerability in QuLog Center

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-07-01 · updated 2026-06-17
• Weakness: CWE-80

Description

A stored XSS vulnerability has been reported to affect QNAP NAS running QuLog Center. If exploited, this vulnerability allows attackers to inject malicious code. This issue affects: QNAP Systems Inc. QuLog Center versions prior to 1.2.0.

Affected products

• QNAP Systems Inc. QuLog Center: before 1.2.0 — fixed in 1.2.0

How to fix

Upgrade to a fixed version: QNAP Systems Inc. QuLog Center 1.2.0. Check the vendor advisory for mitigations.

References

• https://www.qnap.com/zh-tw/security-advisory/qsa-21-30
• https://www.qnap.com/zh-tw/security-advisory/qsa-21-30

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