by Kastro
Paper/Archive/CVE-2026-93029

CVE-2026-93029

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

EPSS 0.5%CVSS 9.0
critical.is priorityof 100
36
CVSS 9.0 (CNA)9.0 / 10 × 3027.0Not in CISA KEV+300.0EPSS percentile 45.9.459 × 209.2No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

Affected

ProductAffectedFixed inSource
cPanel< 11.138.0.1111.138.0.11CNA
cPanel< 11.136.0.4511.136.0.45CNA
cPanel< 11.134.0.6111.134.0.61CNA
cPanel< 11.110.0.14811.110.0.148CNA
WP Squared< 11.138.1.1311.138.1.13CNA

Scores by source

hackerone (CNA)9.0CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refhackerone.com/reports/4047106refsupport.cpanel.net/hc/en-us/articles/43845929235351-Security-CVE-2026-93029-Stored-XSS-in-WHM-s-Manage-SSL-Hosts-Interface-September-29-2026refdocs.cpanel.net/changelogs/138-change-log/#138011refdocs.cpanel.net/changelogs/136-change-log/#136045refdocs.cpanel.net/changelogs/134-change-log/#134061refdocs.cpanel.net/changelogs/110-change-log/#1100148refdocs.wpsquared.com/changelogs/versions/changelog/#138113