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Vulnerabilities

Vulnerability · CVE-2025-2748

Kentico Xperience CMS Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Published Jun 7, 2025 · catalog updated Jun 7, 2025 · Kentico Xperience CMS

Patch now

CVE-2025-2748 is in the CISA known-exploited catalog. Confirm Kentico Xperience CMS against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
60.59%
Remediation
Remediation guidance
Affected products
vendor Kentico Xperience CMS

The Kentico Xperience application does not fully validate or filter files uploaded via the multiple-file upload functionality, which allows for stored XSS.This issue affects Kentico Xperience through 13.0.178.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Kentico Xperience CMSversion unspecified

How to fix CVE-2025-2748

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-2748 is in the CISA known-exploited catalog. Confirm Kentico Xperience CMS against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 60.59%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 7, 2025 · VulnCheck KEV

    Detected

    The Kentico Xperience application does not fully validate or filter files uploaded via the multiple-file upload functionality, which allows for stored XSS.This issue affects Kentico Xperience through 13.0.178.

  2. Jun 7, 2025 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2025-2748

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-2748

    30-day exploitation probability 60.6%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2025-2748

    The Kentico Xperience application does not fully validate or filter files uploaded via the multiple-file upload functionality, which allows for stored XSS.This issue affects Kentico Xperience through 13.0.178.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.