What is CVE-2016-10847?

CVE-2016-10847 is a high-severity vulnerability in Cpanel, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 8.1/10. Published 2019-08-01.

How severe is CVE-2016-10847?

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

Vulnerability in Cpanel

CVE-2016-10847

cPanel before 11.54.0.4 allows arbitrary file-read and file-write operations via scripts/fixmailboxpath (SEC-80).

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 (64.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.8% 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-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)

References

documentation.cpanel.net/display/CL/54+Change+Log (Release Notes, Vendor Advisory)
news.cpanel.com/cpanel-tsr-2016-0001-full-disclosure/ (Vendor Advisory)

Frequently asked questions

What is CVE-2016-10847?: CVE-2016-10847 is a high-severity vulnerability in Cpanel, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 8.1/10. Published 2019-08-01.
How severe is CVE-2016-10847?: High severity. CVSS v3 base score is 8.1 out of 10.