themetechmount TrueBooker Plugin up to 1.1.5 on WordPress authorization

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in themetechmount TrueBooker Plugin up to 1.1.5 on WordPress. This vulnerability affects unknown code. Executing a manipulation can lead to authorization. This vulnerability appears as CVE-2026-39663. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in themetechmount TrueBooker Plugin up to 1.1.5 on WordPress. It has been declared as critical. This vulnerability affects an unknown part. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Missing Authorization vulnerability in themetechmount TrueBooker truebooker-appointment-booking allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects TrueBooker: from n/a through <= 1.1.5.

The weakness was presented by Nabil Irawan. The advisory is shared for download at patchstack.com. This vulnerability was named CVE-2026-39663 since 04/07/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/08/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Authorization
CWE: CWE-862 / CWE-863 / CWE-285
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/07/2026 CVE reserved
04/08/2026 +1 days Advisory disclosed
04/08/2026 +0 days VulDB entry created
04/08/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: patchstack.com
Researcher: Nabil Irawan
Status: Not defined

CVE: CVE-2026-39663 (🔒)
GCVE (CVE): GCVE-0-2026-39663
GCVE (VulDB): GCVE-100-356128

Entryinfo

Created: 04/08/2026 11:48
Changes: 04/08/2026 11:48 (54)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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