CVE-2025-4295CWE-297

Host Header Injection in HotelRunner's B2B

Medium · published July 22, 2025

CVSS v3.1
4.6
EPSS
0%
Percentile
1.3
In the wild
Unconfirmed
What it is

Improper Validation of Certificate with Host Mismatch vulnerability in HotelRunner B2B allows HTTP Response Splitting.

This issue affects B2B: before 04.06.2025.

The record
Technical detail
CVSS v3.1
4.6 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00111 · 1.3th percentile
Weakness
CWE-297 · Improper Validation of Certificate with Host Mismatch
Published
2025-07-22T13:58Z
EPSS history
Timeline
  • 22 JUL 13:58Z
    Host Header Injection in HotelRunner's B2B
    cvelistv5