CVE-2025-2748: xperience XSS — Fix

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.

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CVSS v3.1 Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

CWE-434 Unrestricted Upload

Affected Products

Vendor	Product	Versions
kentico	xperience	< 13.0.178

References

Advisories & Patches

https://devnet.kentico.com/download/hotfixes

Frequently Asked Questions

What is CVE-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. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2025-2748? +

CVE-2025-2748 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-2748? +

CVE-2025-2748 affects products from kentico, specifically: xperience. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-2748? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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