Stored Cross-Site Scripting Vulnerability in Reaction Buttons Plugin for WordPress

CVE-2024-13848

Summary

The Reaction Buttons plugin for WordPress is susceptible to Stored Cross-Site Scripting through its admin settings due to inadequate input validation and output encoding. This vulnerability allows authenticated attackers with admin-level access to inject malicious scripts, which execute whenever a user visits a compromised page. Importantly, this issue is present in multi-site configurations and in setups where the unfiltered_html capability has been disabled.

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