What is CVE-2024-58321?

CVE-2024-58321 is a medium-severity vulnerability in Kentico Xperience, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-12-18.

How severe is CVE-2024-58321?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Kentico Xperience

CVE-2024-58321

A stored cross-site scripting vulnerability in Kentico Xperience allows attackers to inject malicious scripts via form validation rule configuration. Attackers can exploit this vulnerability to execute malicious scripts that will run in us…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (7.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Kentico Xperience — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Kentico DevNet Hotfixes (vendor-advisory, patch)
VulnCheck Advisory: Kentico Xperience <= 13.0.159 Form Validation Stored XSS (third-party-advisory)

Frequently asked questions

What is CVE-2024-58321?: CVE-2024-58321 is a medium-severity vulnerability in Kentico Xperience, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-12-18.
How severe is CVE-2024-58321?: Medium severity. CVSS v3 base score is 5.4 out of 10.