Access violation vulnerability in Health Check & Troubleshooting 1.2.3

The Health Check & Troubleshooting plugin for WordPress is not secure in versions up to and including 1.2.3. An attacker who is logged into WordPress can use a special parameter called ‘file’ to view the contents of any file on the server, even ones that contain sensitive information. This vulnerability can be exploited without any checks or restrictions on the ‘file’ parameter.

Detected in:

Health Check & Troubleshooting fixed vulnerable versions: >= * <= 1.2.3

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Version compare shows which versions have a vulnerability. For example: >= 2.2.8 <= 2.2.21 means:

> from 2.2.8
= including 2.2.8 & 2.2.21
< to 2.2.21

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