croixhaug Simply Schedule Appointments Plugin up to 1.6.12.32 on WordPress recursive information disclosure

Summaryinfo

A vulnerability labeled as problematic has been found in croixhaug Simply Schedule Appointments Plugin up to 1.6.12.32. Affected by this vulnerability is an unknown functionality. Such manipulation of the argument recursive leads to information disclosure. This vulnerability is listed as CVE-2026-92245. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in croixhaug Simply Schedule Appointments Plugin up to 1.6.12.32. It has been rated as problematic. Affected by this issue is an unknown part. The manipulation of the argument recursive with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

The Simply Schedule Appointments plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.6.12.32 via the 'recursive' parameter. This makes it possible for unauthenticated attackers to extract customer PII — including names, email addresses, phone numbers, and custom form field data — stored in appointment records, as well as per-appointment public_token values. The leaked per-appointment public_token values also enable unauthenticated attackers to delete arbitrary appointments via the DELETE /wp-json/ssa/v1/appointments/{id} endpoint, which accepts the token as sole authorization.

The advisory is available at wordfence.com. This vulnerability is handled as CVE-2026-92245 since 09/15/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/01/2026). This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

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

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Productinfo

Type

• WordPress Plugin

Vendor

• croixhaug

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
• 1.6.12.32

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