GemBooking < 1.7.1 - Unauthenticated Team Member Double-Booking via Cross-Object Race Condition

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-123128
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-09 07:17:29 UTC
Updated2026-11-09 15:17:13 UTC
DescriptionThe GemBooking WordPress plugin before 1.7.1 does not serialise concurrent booking requests per team member, allowing unauthenticated users to create overlapping confirmed bookings for the same team member across different bookable items by sending simultaneous requests.

Risk And Classification

Primary CVSS: v3.1 3.7 LOW from ADP

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

Problem Types: CWE-362 | CWE-362 Race Condition (Concurrent Execution using Shared Resource with Improper Synchronization) | CWE-362 CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED3.7LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary3.7LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown GemBooking affected 1.7.1 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/e6dd290d-358b-4d03-a585-173d40dee0ba [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: Khalid Mostafa Ismail (en)

CNA: WPScan (en)

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