CVE-2020-36889CWE-79

Kentico Xperience <= 12.0.90 Administration Interface Stored XSS

Medium · published December 18, 2025

CVSS v4.0
5.1
EPSS
0%
Percentile
11.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
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
EPSS
0.00218 · 11.6th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-12-18T19:53Z
EPSS history
Timeline
  • 18 DEC 19:53Z
    Kentico Xperience <= 12.0.90 Administration Interface Stored XSS
    cvelistv5