Description
Cross Site Scripting vulnerability in Hostbill v.2025-11-24 and 2025-12-01 allows a remote attacker to execute arbitrary code
References7
- blog.hostbillapp.com/2025/12/03/hostbill-security-advisory/
- github.com/Muhammad5235/HostBill-CVEs-2025/blob/main/Stored%20C…
- hostbillapp.com/changelog
- hostbillapp.com/release-notes/11-27-2025.html
- hostbillapp.com/release-notes/12-01-2025.html
- hostbillapp.com/responsible-disclosure
- github.com/Muhammad5235/HostBill-CVEs-2025/blob/main/Stored%20C…
Metrics
- CVSS 3.1
-
4.9
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - EPSS — exploit probability
- 1% percentile: 51 · as of 13 November 2026
- CWE
- CWE-79
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.