What is CVE-2018-16819?

CVE-2018-16819 is a medium-severity vulnerability in Monstra, classified under Path Traversal. CVSS score: 4.9/10. Published 2018-09-18.

How severe is CVE-2018-16819?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Path Traversal in Monstra

CVE-2018-16819

admin/index.php in Monstra CMS 3.0.4 allows arbitrary file deletion via id=filesmanager&path=uploads/.......//./.......//./&delete_file= requests.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2018-09-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.013 (70.2th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Monstra — versions 3.0.4

Weakness classification (CWE)

CWE-22 — Path Traversal

References

github.com/monstra-cms/monstra/issues/456 (Exploit, Third Party Advisory, Issue Tracking)
blog.51cto.com/13770310/2173956 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-16819?: CVE-2018-16819 is a medium-severity vulnerability in Monstra, classified under Path Traversal. CVSS score: 4.9/10. Published 2018-09-18.
How severe is CVE-2018-16819?: Medium severity. CVSS v3 base score is 4.9 out of 10.