XSS in Cpanel

CVE-2018-20916

cPanel before 70.0.23 allows Stored XSS via a WHM Edit MX Entry (SEC-370).

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (41.7th percentile) — read the EPSS interpretation.

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.

Affected products

Cpanel
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (x_refsource_CONFIRM, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2018-20916?: CVE-2018-20916 is a medium-severity vulnerability in Cpanel, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-08-01.
How severe is CVE-2018-20916?: Medium severity. CVSS v3 base score is 5.4 out of 10.