What is CVE-2016-10839?

CVE-2016-10839 is a high-severity vulnerability in Cpanel, classified under SQL Injection. CVSS score: 8.1/10. Published 2019-08-01.

How severe is CVE-2016-10839?

High severity. CVSS v3 base score is 8.1 out of 10.

SQL Injection in Cpanel

CVE-2016-10839

cPanel before 11.54.0.4 allows SQL injection in bin/horde_update_usernames (SEC-71).

Vulnerability class: SQL Injection

Published 2019-08-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.011 (64.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Cpanel

Weakness classification (CWE)

CWE-89 — SQL Injection

References

documentation.cpanel.net/display/CL/54+Change+Log (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2016-10839?: CVE-2016-10839 is a high-severity vulnerability in Cpanel, classified under SQL Injection. CVSS score: 8.1/10. Published 2019-08-01.
How severe is CVE-2016-10839?: High severity. CVSS v3 base score is 8.1 out of 10.