What is CVE-2016-7443?

CVE-2016-7443 is a critical-severity vulnerability in Exponentcms Exponent Cms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2018-03-07.

How severe is CVE-2016-7443?

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

Arbitrary file upload in Exponentcms Exponent Cms

CVE-2016-7443

Exponent CMS 2.3.0 through 2.3.9 allows remote attackers to have unspecified impact via vectors related to "uploading files to wrong location."

Vulnerability class: Unrestricted File Upload

Published 2018-03-07 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.022 (81.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.8% 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

Exponentcms Exponent Cms

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

github.com/exponentcms/exponent-cms/releases/tag/v2.4.0 (Third Party Advisory, Release Notes)
www.exponentcms.org/news/patch-1-released-for-v2-3-9 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2016-7443?: CVE-2016-7443 is a critical-severity vulnerability in Exponentcms Exponent Cms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2018-03-07.
How severe is CVE-2016-7443?: Critical severity. CVSS v3 base score is 9.8 out of 10.