CVE-2019-9842

PoC —

CVSS 3.0

7.2 high

EPSS

2%p81

Published

Jun 14, 2019 (Jun 14, 2019)

Modified

Jun 17, 2026

Description

madskristensen MiniBlog through 2018-05-18 allows remote attackers to execute arbitrary ASPX code via an IMG element with a data: URL, because SaveFilesToDisk in app_code/handlers/PostHandler.cs writes a decoded base64 string to a file without validating the extension.

Vendors: miniblog project
Products: miniblog
Weakness: CWE-434
Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.2%)

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