# CVE-2026-94074: Simply Schedule Appointments broken access control

Source: https://junglewise.ai/threats/cve-2026-94074-unauthenticated-broken-access-control-in-simply-schedule  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-30. Updated: 2026-09-30  
License: CC BY 4.0 with a link back

CVE-2026-94074 · Severity: medium · CVSS 6.5 · Published 2026-09-30

Simply Schedule Appointments is a WordPress plugin that allows businesses to manage appointment scheduling and bookings on their websites. An unauthenticated broken access control vulnerability allows attackers to access pages and perform actions they should not be permitted to, potentially viewing other people's appointment data or manipulating scheduling information without authentication. The vulnerability affects versions up to 1.6.12.29 and has been patched in version 1.6.12.31.

Technologies: [NSquared Simply Schedule Appointments](https://junglewise.ai/threats/technologies/nsquared-simply-schedule-appointments). Vendors: [NSquared](https://junglewise.ai/threats/vendors/nsquared).

## Quick answers

**Is CVE-2026-94074 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-94074 being exploited in the wild.

**How severe is CVE-2026-94074?** Medium severity, with a CVSS score of 6.5, published 30 September 2026.

**Which products and versions are affected?** NSquared Simply Schedule Appointments <=1.6.12.29.

**Is there a fix for CVE-2026-94074?** A patch was published on 2026-09-24: version 1.6.12.31 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-94074 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-94074?** Check whether you run NSquared Simply Schedule Appointments at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The plugin contains a broken access control flaw that permits unauthenticated users to bypass authorization checks and access restricted functionality or data. The vulnerability exists in Simply Schedule Appointments versions up to 1.6.12.29 and requires no user interaction or authentication to exploit; network access to the WordPress site is sufficient. An attacker could access appointment schedules, customer information, or modify booking data without proper authorization.

## Affected products

- NSquared Simply Schedule Appointments <=1.6.12.29

## Timeline

- 2026-09-24: disclosed
- 2026-09-24: patched: version 1.6.12.31

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/simply-schedule-appointments/vulnerability/wordpress-simply-schedule-appointments-plugin-1-6-12-29-broken-access-control-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/simply-schedule-appointments/vulnerability/wordpress-simply-schedule-appointments-plugin-1-6-12-29-broken-access-control-vulnerability?_s_id=cve)

## Related threats

- [NSquared Simply Schedule Appointments broken access control](https://junglewise.ai/threats/cve-2026-125437-missing-authorization-vulnerability-in-nsquared-simply-schedule)
- [NSquared Simply Schedule Appointments stored cross-site scripting](https://junglewise.ai/threats/cve-2026-110382-improper-neutralization-of-input-during-web-page-generation)
- [NSquared Simply Schedule Appointments IDOR vulnerability](https://junglewise.ai/threats/cve-2026-110381-authorization-bypass-through-user-controlled-key-vulnerability)
- [Simply Schedule Appointments IDOR vulnerability](https://junglewise.ai/threats/cve-2026-94673-unauthenticated-insecure-direct-object-references-idor-in-simply)