Arbitrary file upload in Monstra

CVE-2018-9037

Monstra CMS 3.0.4 allows remote code execution via an upload_file request for a .zip file, which is automatically extracted and may contain .php files.

Vulnerability class: Unrestricted File Upload

EPSS: 0.029 (85.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Monstra — versions 3.0.4
  • N/a — versions n/a

Weakness classification (CWE)

References

  • cve@mitre.org (Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2018-9037?
CVE-2018-9037 is a high-severity vulnerability in Monstra, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2018-04-10.
How severe is CVE-2018-9037?
High severity. CVSS v3 base score is 8.8 out of 10.