Appointment Hour Booking < 1.5.95 - Unauthenticated Booking Capacity Bypass via Multi-Appointment Submission

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-86475
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-16 07:16:37 UTC
Updated2026-09-16 07:16:37 UTC
DescriptionThe Appointment Hour Booking WordPress plugin before 1.5.95 does not check every appointment in a booking submission against the capacity configured for its own slot, allowing unauthenticated visitors to take slots that are already fully booked.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

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

Problem Types: CWE-20 Improper Input Validation

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
3.1CNADECLARED5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown Appointment Hour Booking affected 1.5.95 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/b7b45dae-bc91-4142-ae9b-5c8b39791cda [email protected] wpscan.com
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: Nicat (en)

CNA: WPScan (en)

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