NSquared Simply Schedule Appointments Plugin up to 1.6.12.31 on WordPress authorization

Summaryinfo

A vulnerability classified as problematic has been found in NSquared Simply Schedule Appointments Plugin up to 1.6.12.31. This impacts an unknown function. Performing a manipulation results in authorization. This vulnerability is reported as CVE-2026-94673. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as problematic has been found in NSquared Simply Schedule Appointments Plugin up to 1.6.12.31. This affects some unknown processing. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. This is going to have an impact on confidentiality. The summary by CVE is:

Unauthenticated Insecure Direct Object References (IDOR) in Simply Schedule Appointments <= 1.6.12.31 versions.

It is possible to read the advisory at patchstack.com. This vulnerability is uniquely identified as CVE-2026-94673 since 09/22/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/30/2026).

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• WordPress Plugin

Vendor

• NSquared

Name

• Simply Schedule Appointments Plugin

Version

• 1.6.12.0
• 1.6.12.1
• 1.6.12.2
• 1.6.12.3
• 1.6.12.4
• 1.6.12.5
• 1.6.12.6
• 1.6.12.7
• 1.6.12.8
• 1.6.12.9
• 1.6.12.10
• 1.6.12.11
• 1.6.12.12
• 1.6.12.13
• 1.6.12.14
• 1.6.12.15
• 1.6.12.16
• 1.6.12.17
• 1.6.12.18
• 1.6.12.19
• 1.6.12.20
• 1.6.12.21
• 1.6.12.22
• 1.6.12.23
• 1.6.12.24
• 1.6.12.25
• 1.6.12.26
• 1.6.12.27
• 1.6.12.28
• 1.6.12.29
• 1.6.12.30
• 1.6.12.31

CPE 2.3info

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CPE 2.2info

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