What’s Vulnerable › Vulnerabilities

CVE-2018-20916

• Severity: medium (CVSS 5.4 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-08-01 · updated 2026-06-17
• Weakness: CWE-79

Description

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

Affected products

• WebPros cPanel: before 70.0.23 — fixed in 70.0.23

How to fix

Upgrade to a fixed version: WebPros cPanel 70.0.23. Check the vendor advisory for mitigations.

References

• https://documentation.cpanel.net/display/CL/70+Change+Log
• https://documentation.cpanel.net/display/CL/70+Change+Log

Get alerted when CVE-2018-20916 or the next vulnerability affects your stack