CVE-2019-9845

PoC —

CVSS 3.0

9.8 critical

EPSS

3%p84

Published

Apr 16, 2019 (Apr 16, 2019)

Modified

Jun 17, 2026

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.

Vendors: miniblog.core project
Products: miniblog.core
Weakness: CWE-20
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.5%)

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