Input validation vulnerability in Posterity 3.3

The Posterity theme for WordPress has a security issue called Cross-Site Request Forgery in versions 3.3 and below. This means that the feature that checks for unauthorized access is not working properly, specifically on the posterity_disable_ajax_notice() function. This allows attackers who are not logged in to dismiss important messages by tricking the site administrator into clicking a link.

Detected in:

Posterity open vulnerable versions: >= * <= 3.3

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> from 2.2.8
= including 2.2.8 & 2.2.21
< to 2.2.21

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