WordPress Simply Schedule Appointments Plugin <= 1.6.9.5 is vulnerable to a medium priority Sensitive Data Exposure

Medium priority Mitigate with Patchstack
<= 1.6.9.5Vulnerable version(s)
1.6.9.6Fixed version
WordPress plugin
No VDP
6 Jan, 2026

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Risks

CVSS 6.5

This vulnerability is moderately dangerous and expected to become exploited.

Note by Patchstack

Due to the specific nature of this vulnerability, no virtual patch can be assigned to it.

6.5

Sensitive Data Exposure

This could allow a malicious actor to view sensitive information that is normally not available to regular users. This can be used to exploit other weaknesses in the system.

CVSS score is a way to evaluate and rank reported vulnerabilities in a standardized and repeatable way but which is not ideal for WordPress.

Solutions

We advise to mitigate or resolve the vulnerability immediately.

Update to version 1.6.9.6 or later.

Update to version 1.6.9.6 or later to resolve the vulnerability. Patchstack users can turn on auto-update for vulnerable plugins only.

Details

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WordPress plugin
No VDP

Timeline

Early warning sent out to Patchstack customers

6 Jan, 2026

Published by Patchstack

6 Jan, 2026

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