How severe is CVE-2023-23354?

CVE-2023-23354 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2023-23354 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-23354?

CVE-2023-23354 affects Qnap Qulog Center. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-23354?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-23354 have an EU (EUVD) identifier?

Yes. CVE-2023-23354 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-27454.

When was CVE-2023-23354 published?

CVE-2023-23354 was published on 2024-12-19 and last updated on 2026-06-17.

CVE-2023-23354

CVE-2023-23354 is a high-severity vulnerability in Qnap Qulog Center with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-27454
Weakness: CWE-79
Affected product: Qnap Qulog Center
Published: 2024-12-19
Last modified: 2026-06-17

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

Frequently asked questions

What is CVE-2023-23354?: 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
How severe is CVE-2023-23354?: CVE-2023-23354 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2023-23354 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-23354?: CVE-2023-23354 affects Qnap Qulog Center. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-23354?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-23354 have an EU (EUVD) identifier?: Yes. CVE-2023-23354 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-27454.
When was CVE-2023-23354 published?: CVE-2023-23354 was published on 2024-12-19 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:qnap:qulog_center:*:*:*:*:*:*:*:*

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