What is CVE-2018-1000839?

CVE-2018-1000839 is a high-severity vulnerability in Librehealth Ehr, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2018-12-20.

How severe is CVE-2018-1000839?

High severity. CVSS v3 base score is 8.8 out of 10.

Arbitrary file upload in Librehealth Ehr

CVE-2018-1000839

LH-EHR version REL-2_0_0 contains a Arbitrary File Upload vulnerability in Profile picture upload that can result in Remote Code Execution. This attack appear to be exploitable via Uploading a PHP file with image MIME type.

Vulnerability class: Unrestricted File Upload

Published 2018-12-20 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.031 (87.4th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000

Affected products

Librehealth Ehr — versions 2.0.0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

github.com/LibreHealthIO/lh-ehr/issues/1223 (Exploit, Third Party Advisory)
0dd.zone/2018/09/03/lh-ehr-RCE-via-picture-upload/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-1000839?: CVE-2018-1000839 is a high-severity vulnerability in Librehealth Ehr, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2018-12-20.
How severe is CVE-2018-1000839?: High severity. CVSS v3 base score is 8.8 out of 10.