CVE-2025-2748: Kentico Xperience stored cross-site scripting in multiple-file upload functionality
- Is it exploited?
Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of .
VulnCheck KEV lists it since . It cites 1 public report, the first from .
- How likely is exploitation in the next 30 days?
- 60.6%
EPSS score, percentile 99.1 of all scored records. A probability estimated by FIRST, not a report of exploitation.
- How severe?
- 6.1 Medium
CVSS v3.1 base score, given by the CNA
- What should I do?
CISA has set no required action, because the vulnerability is not in KEV.
- Which versions are affected?
Affected
- 13.0.178 and earlier
Source: CISA KEV 2026.10.29, as of ; VulnCheck KEV, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.
Description
Kentico Xperience stored cross-site scripting in multiple-file upload functionality
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.
Source: CVE List, as of . About the data.
What to do
Advisories and patches
This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.
Affected products and versions
Versions by product, as listed in the CVE record (1 product)
| Status | Versions |
|---|---|
| Affected | 13.0.178 and earlier |
Versions not listed are: affected.
Source: CVE List, as of . About the data.
Weakness
CWE-79, CWE-434, 1 CAPEC
- CWE-79: Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
- CWE-434: Unrestricted Upload of File with Dangerous Type
Attack patterns (CAPEC)
- CAPEC-592: Stored XSS
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.
Timeline
| Date | Event |
|---|---|
| CVE record published | |
| CVE record last updated |
Known exploited Kentico vulnerabilities
- CVE-2025-2749: Kentico Xperience Path Traversal Vulnerability
- CVE-2025-2746: Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel Vulnerability
- CVE-2025-2747: Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel Vulnerability
- CVE-2019-10068: Kentico Xperience Deserialization of Untrusted Data Vulnerability