Input validation vulnerability in Restrict Anonymous Access 1.2

The plugin called “Restrict Anonymous Access” for WordPress has a security issue in versions 1.2 and below. This vulnerability is known as Stored Cross-Site Scripting and is caused by not properly filtering and protecting input and output. As a result, attackers who are logged in with contributor-level access or higher can insert malicious code into pages. This code will run whenever a user visits the infected page.