Open Redirect in HotelRunner's B2B

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Summary

CVECVE-2025-4296
StatePUBLISHED
AssignerTR-CERT
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-07-23 12:15:27 UTC
Updated2026-06-05 16:16:30 UTC
DescriptionURL Redirection to Untrusted Site ('Open Redirect') vulnerability in HotelRunner B2B allows Forceful Browsing. This issue affects B2B: before 04.06.2025.

Risk And Classification

Primary CVSS: v3.1 4.7 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

Problem Types: CWE-601 | CWE-601 CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.7MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
3.1CNACVSS4.7MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
None
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA HotelRunner B2B affected 04.06.2025 custom Not specified

References

ReferenceSourceLinkTags
www.usom.gov.tr/bildirim/tr-25-0169 [email protected] www.usom.gov.tr
siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-25-0169 [email protected] siberguvenlik.gov.tr
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Berat ARSLAN (en)

CNA: Priente Software Inc. (en)

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