What’s Vulnerable › Vulnerabilities

CVE-2016-10856

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% 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-284

Description

cPanel before 11.54.0.0 allows subaccounts to discover sensitive data through comet feeds (SEC-29).

Affected products

WebPros cPanel: from 11.48.0.5 before 11.48.4.8; from 11.50.0.4 before 11.50.3.1; from 11.51.9999.98 before 11.52.0.23; from 11.52.1.0 before 11.52.1.1 — fixed in 11.48.4.8, 11.50.3.1, 11.52.0.23, 11.52.1.1

How to fix

Upgrade to a fixed version: WebPros cPanel 11.48.4.8, 11.50.3.1, 11.52.0.23, 11.52.1.1. Check the vendor advisory for mitigations.

References

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