CVE-2025-2748
MediumExploitedThe 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.
Published Mar 24, 2025 · Updated Dec 27, 2025
Key Facts
Patch immediately- CVE-2025-2748 is a medium-severity vulnerability (CVSS 6.1 v3.1) affecting Xperience (Kentico).
- It is exploited in the wild, listed in Industry KEV feed since Jun 7, 2025. No public exploit code is known.
- EPSS estimates a 61% probability of exploitation in the next 30 days.
- Fixed versions are available, including Xperience <=13.0.178, Xperience 13.0.178.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
6.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS (30-day exploit likelihood)
61%
Higher than 99.1% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
None known
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Description
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Jun 7, 2025 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| XperienceKentico | See advisory | 13.0.178 |
Patched Releases
Xperience
<=13.0.178
Timeline
Publicly disclosed
Mar 24, 2025
Added to Industry KEV feed
Jun 7, 2025
Last updated
Dec 27, 2025
Weakness Type
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
FAQ
Common Questions.
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.
Affected: Xperience (Kentico). The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Jun 7, 2025.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Xperience <=13.0.178, Xperience 13.0.178.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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