There is a stored XSS vulnerability allowing arbitrary code execution in the WHM Manage SSL Hosts interface
Published Oct 2, 2026
9.0
CRITICALCVSS 3.0
EPSS 0.40%
Description
There is a stored XSS vulnerability allowing arbitrary code execution in the WHM Manage SSL Hosts interface.
Affected products
-
- Version 0StatusaffectedConstraints<11.138.1.13
- Version
-
- Version 0StatusaffectedConstraints<11.110.0.148
- Version 0StatusaffectedConstraints<11.134.0.61
- Version 0StatusaffectedConstraints<11.136.0.45
- Version 0StatusaffectedConstraints<11.138.0.11
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Webpros | WP Squared | unaffected |
| |||||||||||||||
| Webpros | cPanel | unaffected |
|
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Oct 2, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
Oct 2026- EPSS v5
Percentile over time
- EPSS v5
Table of values (2 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.40% (0.00401) | 32.04th | v5 (v2026.06.15) |
| Oct 2, 2026 | 0.40% (0.00401) | 32.01th | v5 (v2026.06.15) |
References (7)
- https://docs.cpanel.net/changelogs/110-change-log/#1100148
- https://docs.cpanel.net/changelogs/134-change-log/#134061
- https://docs.cpanel.net/changelogs/136-change-log/#136045
- https://docs.cpanel.net/changelogs/138-change-log/#138011
- https://docs.wpsquared.com/changelogs/versions/changelog/#138113
- https://hackerone.com/reports/4047106
- 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
Change history (0)
No recorded changes yet.