VulnerabilityDeferred
CVE-2026-31050
Cross Site Scripting vulnerability in Hostbill v.2025-11-24 and 2025-12-01 allows a remote attacker to execute arbitrary code
MEDIUM 4.9EPSS 0.63%
Does this matter?
Lower severity and a low EPSS score (0.63%). Track it; it rarely justifies an emergency change on its own.
Description
Cross Site Scripting vulnerability in Hostbill v.2025-11-24 and 2025-12-01 allows a remote attacker to execute arbitrary code
- CVSS 3.1
- 4.9 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.63% probability · 48th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Source
- cve@mitre.org
References
- https://blog.hostbillapp.com/2025/12/03/hostbill-security-advisory/
- https://github.com/Muhammad5235/HostBill-CVEs-2025/blob/main/Stored%20Cross-Site%20Scripting%20%28XSS%29%20Vulnerability/admin%20and%20client%20interfaces
- https://hostbillapp.com/changelog
- https://hostbillapp.com/release-notes/11-27-2025.html
- https://hostbillapp.com/release-notes/12-01-2025.html
- https://hostbillapp.com/responsible-disclosure
- https://github.com/Muhammad5235/HostBill-CVEs-2025/blob/main/Stored%20Cross-Site%20Scripting%20%28XSS%29%20Vulnerability/admin%20and%20client%20interfaces
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.