Unrated severityNVD Advisory· Published Dec 18, 2025· Updated Dec 30, 2025
Kentico Xperience <= 12.0.90 Administration Interface Stored XSS
CVE-2020-36889
Description
A stored cross-site scripting vulnerability in Kentico Xperience allows attackers to inject malicious scripts via error messages containing specially crafted object names. This allows malicious scripts to execute in users' browsers when administrators view error messages in the administration interface.
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Affected products
2Patches
Vulnerability mechanics
References
2- devnet.kentico.com/download/hotfixesmitrevendor-advisorypatch
- www.vulncheck.com/advisories/kentico-xperience-administration-interface-stored-xssmitrethird-party-advisory
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