What is CVE-2018-14334?

CVE-2018-14334 is a critical-severity vulnerability in Joyplus-Cms Project, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2018-07-17.

How severe is CVE-2018-14334?

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

Arbitrary file upload in Joyplus-Cms Project

CVE-2018-14334

manager/editor/upload.php in joyplus-cms 1.6.0 allows arbitrary file upload because detection of a prohibited file extension simply sets the $errm value, and does not otherwise alter the flow of control. Consequently, one can upload and execute a .php file, a similar issue to CVE-2018-8766.

Vulnerability class: Unrestricted File Upload

Published 2018-07-17 · 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: 0.017 (75.7th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Joyplus-Cms Project — versions 1.6.0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

github.com/joyplus/joyplus-cms/issues/428 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-14334?: CVE-2018-14334 is a critical-severity vulnerability in Joyplus-Cms Project, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2018-07-17.
How severe is CVE-2018-14334?: Critical severity. CVSS v3 base score is 9.8 out of 10.