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CVE-2025-2748

MediumPublished

Kentico Xperience stored cross-site scripting in multiple-file upload functionality

Published: Mar 24, 2025
Updated: Dec 27, 2025
Assigning CNA: VulnCheck
Evidence observed: Aug 5, 2026

Primary CVSS

6.1/ 10Medium

nvd · CVSS 3.1

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

EPSS probability estimate

60.6%

High · next 30 days

Percentile: 99.1%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

Kentico-Xperience-before-13.0.178---XSS-POCPoC
PoC for CVE-2025-2748 - Unauthenticated ZIP file upload with embedded SVG for XSS

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