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

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.

Scores

EPSS (exploitation in 30 days)

60.6% · top 0.8% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.

Weakness

• CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') (opens in a new tab)All about CWE-79 and its CVEs
• CWE-434 Unrestricted Upload of File with Dangerous Type (opens in a new tab)All about CWE-434 and its CVEs

Affected products

• Kentico · Xperience

  • affected ≤ 13.0.178

References (1)

• https://devnet.kentico.com/download/hotfixes (opens in a new tab)vendor-advisorypatch

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2025-2748](https://trackcve.app/badge/CVE-2025-2748.svg)](https://trackcve.app/cve/CVE-2025-2748)

Record last updated 27 Dec 2025, 16:47 UTC.