Input validation vulnerability in Hammas Calendar 1.5.11

The Hammas Calendar plugin used in WordPress has a security issue that allows hackers to inject harmful code into web pages. This can be done by exploiting the ‘apix’ parameter in the ‘hp-calendar-manage-redirect’ shortcode. This vulnerability affects all versions up to 1.5.11 and can be used by attackers with Contributor-level access or higher. The injected code will then run whenever a user visits the affected page.

Detected in:

Hammas Calendar fixed vulnerable versions: >= * <= 1.5.11

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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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