What’s Vulnerable › Vulnerabilities

CVE-2020-26111

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-09-25 · updated 2026-06-17
• Weakness: CWE-79

Description

cPanel before 90.0.10 allows self XSS via the WHM Edit DNS Zone interface (SEC-566).

Affected products

• WebPros cPanel: before 90.0.10 — fixed in 90.0.10

How to fix

Upgrade to a fixed version: WebPros cPanel 90.0.10. Check the vendor advisory for mitigations.

References

• https://docs.cpanel.net/changelogs/90-change-log/
• https://docs.cpanel.net/changelogs/90-change-log/

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