GemBooking Plugin up to 1.7.0 on WordPress Booking Requests race condition

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.31+

Summaryinfo

A vulnerability was found in GemBooking Plugin up to 1.7.0. It has been declared as problematic. This vulnerability affects unknown code of the component Booking Requests. Such manipulation leads to race condition. This vulnerability is referenced as CVE-2026-123128. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in GemBooking Plugin up to 1.7.0 and classified as problematic. Affected by this issue is some unknown processing of the component Booking Requests. The manipulation with an unknown input leads to a race condition vulnerability. Using CWE to declare the problem leads to CWE-362. The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently. Impacted is integrity. CVE summarizes:

The 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.

The advisory is shared for download at wpscan.com. This vulnerability is handled as CVE-2026-123128 since 11/05/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 1.7.1 eliminates this vulnerability.

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Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: GemBooking Plugin 1.7.1

Timelineinfo

11/05/2026 CVE reserved
11/09/2026 +4 days Advisory disclosed
11/09/2026 +0 days VulDB entry created
11/09/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: wpscan.com
Status: Confirmed

CNA: WPScan
CVE: CVE-2026-123128 (🔒)

GCVE (CVE): GCVE-0-2026-123128
GCVE (VulDB): GCVE-100-433040

Entryinfo

Created: 11/09/2026 07:44
Changes: 11/09/2026 07:44 (55)
Complete: 🔍
Cache ID: 216::103

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