CVE-2019-9842

HighCVSS 7.2/10Last 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.

Metrics

CVSS 3.0 7.2/10CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-434

Affected software

No affected versions have been published.

Timeline

Published
Jun 14, 2019
Last modified
Jun 17, 2026
NVD status
Modified

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