CVE-2023-23354: QuLog Center

Severity: high (CVSS 8.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-12-19 · updated 2026-06-17
Weakness: CWE-79

Description

A cross-site scripting (XSS) vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained user access to bypass security mechanisms or read application data. We have already fixed the vulnerability in the following versions: QuLog Center 1.5.0.738 ( 2023/03/06 ) and later QuLog Center 1.4.1.691 ( 2023/03/01 ) and later QuLog Center 1.3.1.645 ( 2023/02/22 ) and later

Affected products

QNAP Systems Inc. QuLog Center: before 1.5.0.738; before 1.3.1.645; before 1.4.1.691 — fixed in 1.3.1.645, 1.4.1.691, 1.5.0.738

How to fix

Upgrade to a fixed version: QNAP Systems Inc. QuLog Center 1.3.1.645, 1.4.1.691, 1.5.0.738. Check the vendor advisory for mitigations.

References

https://www.qnap.com/en/security-advisory/qsa-23-13

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