How severe is CVE-2019-25229?

CVE-2019-25229 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-25229 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-25229?

CVE-2019-25229 affects Kentico Xperience. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-25229?

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-2019-25229 have an EU (EUVD) identifier?

Yes. CVE-2019-25229 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204333.

When was CVE-2019-25229 published?

CVE-2019-25229 was published on 2025-12-18 and last updated on 2026-06-17.

CVE-2019-25229

CVE-2019-25229 is a high-severity vulnerability in Kentico Xperience with a CVSS 3.x base score of 8.8. 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-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 8.7
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-204333
Weakness: CWE-434
Affected product: Kentico Xperience
Published: 2025-12-18
Last modified: 2026-06-17

Description

An unrestricted file upload vulnerability in Kentico Xperience allows authenticated users with 'Read data' permissions to upload arbitrary file types via MVC form file uploader components. Attackers can manipulate file names and upload potentially malicious files to the system, enabling unauthorized file uploads.

Frequently asked questions

What is CVE-2019-25229?: An unrestricted file upload vulnerability in Kentico Xperience allows authenticated users with 'Read data' permissions to upload arbitrary file types via MVC form file uploader components. Attackers can manipulate file names and upload potentially malicious files to the system, enabling unauthorized file uploads.
How severe is CVE-2019-25229?: CVE-2019-25229 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-25229 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-25229?: CVE-2019-25229 affects Kentico Xperience. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-25229?: 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-2019-25229 have an EU (EUVD) identifier?: Yes. CVE-2019-25229 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204333.
When was CVE-2019-25229 published?: CVE-2019-25229 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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