What is CVE-2025-4294?

CVE-2025-4294 is a medium-severity vulnerability in Hotelrunner B2b, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2025-07-22.

How severe is CVE-2025-4294?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Hotelrunner B2b

CVE-2025-4294

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (8.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Hotelrunner B2b — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

iletisim@usom.gov.tr (government-resource, broken-link, third-party-advisory)
iletisim@usom.gov.tr (government-resource)

Frequently asked questions

What is CVE-2025-4294?: CVE-2025-4294 is a medium-severity vulnerability in Hotelrunner B2b, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2025-07-22.
How severe is CVE-2025-4294?: Medium severity. CVSS v3 base score is 4.8 out of 10.