What is CVE-2018-16388?

CVE-2018-16388 is a high-severity vulnerability in E107, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2018-09-12.

How severe is CVE-2018-16388?

High severity. CVSS v3 base score is 7.2 out of 10.

Arbitrary file upload in E107

CVE-2018-16388

e107_web/js/plupload/upload.php in e107 2.1.8 allows remote attackers to execute arbitrary PHP code by uploading a .php filename with the image/jpeg content type.

Vulnerability class: Unrestricted File Upload

Published 2018-09-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.022 (81.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000

Affected products

E107 — versions 2.1.8

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

gist.github.com/ommadawn46/5cb22e7c66cc32a5c7734a8064b4d3f5 (Exploit, Third Party Advisory)
github.com/e107inc/e107/commit/e5bb5297f68e56537c004cdbb48a30892e9f6f4c (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2018-16388?: CVE-2018-16388 is a high-severity vulnerability in E107, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2018-09-12.
How severe is CVE-2018-16388?: High severity. CVSS v3 base score is 7.2 out of 10.