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CVE-2026-31833: Improper Neutralization of Input During Web Page Generation

🗓️ 10 Mar 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 3 Views

Umbraco is an ASP.NET CMS. From 16.2.0 to before 16.5.1 and 17.2.2, An authenticated backoffice user with access to Settings can inject malicious HTML into property type descriptions. Due to an overly permissive attributeNameCheck configuration (/...

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18 Mar 2026 00:00Current
CVSS 3.16.7
EPSS0.0026
SSVC
3