What is CVE-2017-5616?

CVE-2017-5616 is a medium-severity vulnerability in Cpanel Cgiecho, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-03-03.

How severe is CVE-2017-5616?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Cpanel Cgiecho

CVE-2017-5616

Cross-site scripting (XSS) vulnerability in cgiemail and cgiecho allows remote attackers to inject arbitrary web script or HTML via the addendum parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-03-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.012 (66.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.securityfocus.com/bid/95870 (VDB Entry, Third Party Advisory, vdb-entry)
news.cpanel.com/tsr-2017-0001-full-disclosure/ (Vendor Advisory)
www.openwall.com/lists/oss-security/2017/01/28/8 (mailing-list, Mailing List)

Frequently asked questions

What is CVE-2017-5616?: CVE-2017-5616 is a medium-severity vulnerability in Cpanel Cgiecho, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-03-03.
How severe is CVE-2017-5616?: Medium severity. CVSS v3 base score is 6.1 out of 10.