CVE-2026-31050: Hostbill · Cross-site Scripting
Source CVE Database V5
Not known to be exploited · CVSS 4.9 Medium.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.6% chance of exploitation in 30 days – higher than 49% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 24 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
No specific mitigations are provided at this time.
Description
A Cross Site Scripting (XSS) vulnerability exists in Hostbill versions from late 2025, allowing a remote attacker with high privileges to execute arbitrary code. The vulnerability has a medium severity score of 4.9 and does not require user interaction. There is no official patch or remediation guidance currently available, and no known exploits have been reported in the wild.
References
- hostbillapp.com/changelog (opens in a new tab)
- hostbillapp.com/release-notes/11-27-2025.html (opens in a new tab)
- blog.hostbillapp.com/2025/12/03/hostbill-security-advisory/ (opens in a new tab)
- hostbillapp.com/responsible-disclosure (opens in a new tab)
- hostbillapp.com/release-notes/12-01-2025.html (opens in a new tab)
- github.com/Muhammad5235/HostBill-CVEs-2025/blob/main/Stored%20Cross-Site%20Scripting%20%28XSS%29%20Vulnerability/admin%20and%20client%20interfaces (opens in a new tab)