How severe is CVE-2023-53736?

CVE-2023-53736 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-2023-53736 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-2023-53736?

CVE-2023-53736 affects Kentico Xperience. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-53736?

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

Does CVE-2023-53736 have an EU (EUVD) identifier?

Yes. CVE-2023-53736 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204329.

When was CVE-2023-53736 published?

CVE-2023-53736 was published on 2025-12-18 and last updated on 2026-06-17.

CVE-2023-53736

CVE-2023-53736 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-2025-204329
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 in the administration interface. Attackers can exploit this vulnerability to execute arbitrary scripts within the administrative context.

Frequently asked questions

What is CVE-2023-53736?: A reflected cross-site scripting vulnerability in Kentico Xperience allows authenticated users to inject malicious scripts in the administration interface. Attackers can exploit this vulnerability to execute arbitrary scripts within the administrative context.
How severe is CVE-2023-53736?: CVE-2023-53736 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-2023-53736 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-2023-53736?: CVE-2023-53736 affects Kentico Xperience. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-53736?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-53736 have an EU (EUVD) identifier?: Yes. CVE-2023-53736 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204329.
When was CVE-2023-53736 published?: CVE-2023-53736 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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