VULNERABILITY INTELLIGENCE

CVE-2019-9845

CVSS score9.8 CRITICAL
EPSS probability2.53%
CISA KEVNot currently listed
Published2019-04-16
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

madskristensen Miniblog.Core through 2019-01-16 allows remote attackers to execute arbitrary ASPX code via an IMG element with a data: URL, because SaveFilesToDisk in Controllers/BlogController.cs writes a decoded base64 string to a file without validating the extension.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references