What is CVE-2019-9845?

CVE-2019-9845 is a critical-severity vulnerability in Miniblog.core Project, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2019-04-16.

How severe is CVE-2019-9845?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Improper input validation in Miniblog.core Project

CVE-2019-9845

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.025 (83.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Miniblog.core_project Miniblog.core
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-9845?: CVE-2019-9845 is a critical-severity vulnerability in Miniblog.core Project, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2019-04-16.
How severe is CVE-2019-9845?: Critical severity. CVSS v3 base score is 9.8 out of 10.