What’s Vulnerable › Vulnerabilities

CVE-2018-20877

• 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 74.0.8 allows self XSS in WHM Style Upload interface (SEC-437).

Affected products

• WebPros cPanel: before 74.0.8 — fixed in 74.0.8

How to fix

Upgrade to a fixed version: WebPros cPanel 74.0.8. Check the vendor advisory for mitigations.

References

• https://documentation.cpanel.net/display/CL/74+Change+Log
• https://documentation.cpanel.net/display/CL/74+Change+Log

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