Read the docs
TI-2025-03824 Aliases CVE-2025-4295GHSA-wwh7-vxvp-9vmx

Host Header Injection in HotelRunner's B2B

Priority LOW 20CWE-297Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Improper Validation of Certificate with Host Mismatch vulnerability in HotelRunner B2B allows HTTP Response Splitting. This issue affects B2B: before 04.06.2025.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00118 1st percentileScored 2026-11-07
Fix Fixed B2B (HotelRunner): 04.06.2025

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
HotelRunnerB2Bbefore 04.06.202504.06.2025Patch availableCNA
  • B2B VendorHotelRunner Affected before 04.06.2025 Fixed in 04.06.2025 Patch available CNA

Remediation

  • Fix · CNA B2B (HotelRunner) Fixed in 04.06.2025

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    HotelRunner B2B 04.06.2025

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-4295
  2. 2026-10-03 Alias added: GHSA-wwh7-vxvp-9vmx

References

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences