How severe is CVE-2023-53738?

CVE-2023-53738 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-53738 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-53738?

CVE-2023-53738 affects Kentico Xperience. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-53738?

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

Does CVE-2023-53738 have an EU (EUVD) identifier?

Yes. CVE-2023-53738 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204355.

When was CVE-2023-53738 published?

CVE-2023-53738 was published on 2025-12-18 and last updated on 2026-06-17.

CVE-2023-53738

CVE-2023-53738 is a medium-severity vulnerability in Kentico Xperience with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v4: 5.1
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-204355
Weakness: CWE-79
Affected product: Kentico Xperience
Published: 2025-12-18
Last modified: 2026-06-17

Description

A reflected cross-site scripting vulnerability in Kentico Xperience allows authenticated users to inject malicious scripts via page preview URLs. Attackers can exploit this vulnerability to execute arbitrary scripts in users' browsers during page preview interactions.

Frequently asked questions

What is CVE-2023-53738?: A reflected cross-site scripting vulnerability in Kentico Xperience allows authenticated users to inject malicious scripts via page preview URLs. Attackers can exploit this vulnerability to execute arbitrary scripts in users' browsers during page preview interactions.
How severe is CVE-2023-53738?: CVE-2023-53738 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-53738 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-53738?: CVE-2023-53738 affects Kentico Xperience. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-53738?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-53738 have an EU (EUVD) identifier?: Yes. CVE-2023-53738 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204355.
When was CVE-2023-53738 published?: CVE-2023-53738 was published on 2025-12-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:kentico:xperience:*:*:*:*:*:*:*:*

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