What is CVE-2017-18481?

CVE-2017-18481 is a medium-severity vulnerability in Cpanel, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-08-05.

How severe is CVE-2017-18481?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Cpanel

CVE-2017-18481

cPanel before 62.0.4 allows stored XSS in the WHM Account Suspension List interface (SEC-211).

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-08-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (42.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Cpanel

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

documentation.cpanel.net/display/CL/62+Change+Log (Release Notes, Vendor Advisory)
news.cpanel.com/tsr-2017-0001-full-disclosure/ (Vendor Advisory)

Frequently asked questions

What is CVE-2017-18481?: CVE-2017-18481 is a medium-severity vulnerability in Cpanel, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-08-05.
How severe is CVE-2017-18481?: Medium severity. CVSS v3 base score is 5.4 out of 10.