CVE-2020-36889
Kentico Xperience <= 12.0.90 Administration Interface Stored XSS
- State
- Published
- Severity
- 5.1 Medium
- Published
- Dec 18, 2025
- Updated
- Dec 30, 2025
- Reserved
- Dec 9, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.1 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N | VulnCheck |
| 3.1 | 5.4 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N | VulnCheck |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
XperienceKentico |
|
References
- Kentico DevNet Hotfixesvendor-advisorypatch
- VulnCheck Advisory: Kentico Xperience <= 12.0.90 Administration Interface Stored XSSthird-party-advisory
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