CVE-2026-93029

critical

Description

There is a stored XSS vulnerability allowing arbitrary code execution in the WHM Manage SSL Hosts interface.

References

https://support.cpanel.net/hc/en-us/articles/43845929235351-Security-CVE-2026-93029-Stored-XSS-in-WHM-s-Manage-SSL-Hosts-Interface-September-29-2026

https://hackerone.com/reports/4047106

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-91200

https://docs.wpsquared.com/changelogs/versions/changelog/#138113

https://docs.cpanel.net/changelogs/138-change-log/#138011

https://docs.cpanel.net/changelogs/136-change-log/#136045

https://docs.cpanel.net/changelogs/134-change-log/#134061

https://docs.cpanel.net/changelogs/110-change-log/#1100148

Details

Source: Mitre, NVD

Published: 2026-10-02

Updated: 2026-10-02

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 9

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00401