What is CVE-2016-10805?

CVE-2016-10805 is a high-severity vulnerability in Cpanel, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2019-08-07.

How severe is CVE-2016-10805?

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

Improper input validation in Cpanel

CVE-2016-10805

cPanel before 57.9999.54 allows demo accounts to execute arbitrary code via ajax_maketext_syntax_util.pl (SEC-109).

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2019-08-07 · 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: 0.015 (73.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Cpanel

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

documentation.cpanel.net/display/CL/58+Change+Log (Release Notes, Vendor Advisory)
news.cpanel.com/cpanel-tsr-2016-0003-full-disclosure/ (Vendor Advisory)

Frequently asked questions

What is CVE-2016-10805?: CVE-2016-10805 is a high-severity vulnerability in Cpanel, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2019-08-07.
How severe is CVE-2016-10805?: High severity. CVSS v3 base score is 8.8 out of 10.