What’s Vulnerable › Vulnerabilities

CVE-2016-10816

Severity: high (CVSS 8.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% 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-20

Description

cPanel before 57.9999.54 allows Webmail accounts to execute arbitrary code through forwarders (SEC-121).

Affected products

WebPros cPanel: from 11.50.0.4 before 11.50.6.2; from 11.52.6.0 before 11.52.6.1; from 11.54.0.0 before 11.54.0.24; from 56.0.1 before 56.0.15 — fixed in 11.50.6.2, 11.52.6.1, 11.54.0.24, 56.0.15

How to fix

Upgrade to a fixed version: WebPros cPanel 11.50.6.2, 11.52.6.1, 11.54.0.24, 56.0.15. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2016-10816 or the next vulnerability affects your stack