CVE-2025-4296: Hotelrunner b2b

Medium severity, CVSS 4.7. EPSS: 0.2% chance of exploitation in the next 30 days.

URL Redirection to Untrusted Site ('Open Redirect') vulnerability in HotelRunner B2B allows Forceful Browsing. This issue affects B2B: before 04.06.2025.

Affected products

• Hotelrunner b2b: before 04.06.2025 (fixed in 04.06.2025)

Published 2025-07-23. Last modified 2026-06-17.