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CVE-2026-93029
There is a stored XSS vulnerability allowing arbitrary code execution in the WHM Manage SSL Hosts interface.
- 9.0CriticalCVSS base score
- 0.55%Exploitation in 30 daysEPSS · top 54% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
There is a stored XSS vulnerability allowing arbitrary code execution in the WHM Manage SSL Hosts interface.
Timeline
ID reserved
By hackerone
- 15 days later
· 15 days later
Published
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| hackeroneCNA (assigner) | 3.0 | Critical9.0 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H |
| NVDNVD · Deferred | 3.0 | Critical9.0 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.55% · top 54% of all CVEs (11 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.0.
Affected products
- affected < 11.138.0.11
- affected < 11.136.0.45
- affected < 11.134.0.61
- affected < 11.110.0.148
- affected < 11.138.1.13
References
References7
- https://hackerone.com/reports/4047106 (opens in a new tab)
- 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 (opens in a new tab)
- https://docs.cpanel.net/changelogs/138-change-log/#138011 (opens in a new tab)
- https://docs.cpanel.net/changelogs/136-change-log/#136045 (opens in a new tab)
- https://docs.cpanel.net/changelogs/134-change-log/#134061 (opens in a new tab)
- https://docs.cpanel.net/changelogs/110-change-log/#1100148 (opens in a new tab)
- https://docs.wpsquared.com/changelogs/versions/changelog/#138113 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-91200 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-93029)Record last updated .