CVE-2025-4294: Hotelrunner b2b

Medium severity, CVSS 4.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in HotelRunner B2B allows Cross-Site Scripting (XSS). This issue affects B2B: before 04.06.2025.

Affected products

• Hotelrunner b2b: before 04.06.2025 (fixed in 04.06.2025)

Published 2025-07-22. Last modified 2026-06-17.