Home/CVE/Kentico before 12.0.50 allows file uploads in which the Content-Type header is inconsistent with the file extension, lea
CVE

CVE-2019-19493

Kentico before 12.0.50 allows file uploads in which the Content-Type header is inconsistent with the file extension, lea

Kentico before 12.0.50 allows file uploads in which the Content-Type header is inconsistent with the file extension, leading to XSS.

MEDIUM · CVSS 5.4 EPSS 0.00551
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-434Unrestricted Upload of File with Dangerous Type
CWE-706Use of Incorrectly-Resolved Name or Reference
▤

Affected Products & Versions

1
kentico xperience>= 9.0 and < 12.0.50
⚠

Public Exploits & PoCs

2
webappsKentico CMS 9.0-12.0.49 - Persistent Cross Site Scripting2020-10-09
pocpacketstormsecurity.com · Kentico-CMS-9.0-12.0.49-Cross-Site-Scripting.htmlpacketstormsecurity.com
▣

Scoring & Timeline

5.4
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 Dec 2019 · 03:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://devnet.kentico.com/download/hotfixesPatchVendor Advisory
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