How severe is CVE-2023-23357?

CVE-2023-23357 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-23357 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-23357?

CVE-2023-23357 affects Qnap Qulog Center. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-23357?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-23357 have an EU (EUVD) identifier?

Yes. CVE-2023-23357 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-27457.

When was CVE-2023-23357 published?

CVE-2023-23357 was published on 2024-12-19 and last updated on 2026-06-17.

CVE-2023-23357

CVE-2023-23357 is a medium-severity vulnerability in Qnap Qulog Center with a CVSS 3.x base score of 4.8. 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: Medium (CVSS 3.x base score 4.8)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-27457
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 administrator 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-2023-23357?: 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 administrator 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-2023-23357?: CVE-2023-23357 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-23357 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-23357?: CVE-2023-23357 affects Qnap Qulog Center. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-23357?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-23357 have an EU (EUVD) identifier?: Yes. CVE-2023-23357 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-27457.
When was CVE-2023-23357 published?: CVE-2023-23357 was published on 2024-12-19 and last updated on 2026-06-17.

References

https://www.qnap.com/en/security-advisory/qsa-23-16

Affected products (1)

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

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