XSS in Kentico Xperience
CVE-2022-50685
A stored cross-site scripting vulnerability in Kentico Xperience allows authenticated users to inject malicious scripts via XML file uploads as page attachments or metafiles. Attackers can upload malicious XML files that enable stored XSS, allowing malicious scripts to execute in users' browsers.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (5.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Kentico Xperience — versions 0
Weakness classification (CWE)
References
- devnet.kentico.com/download/hotfixes (Product, vendor-advisory, patch)
- www.vulncheck.com/advisories/kentico-xperience-file-upload-stored-xss2 (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2022-50685?
- CVE-2022-50685 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-2022-50685?
- Medium severity. CVSS v3 base score is 5.4 out of 10.