CVE-2024-12878

Summary

CVE-2024-12878 is a newly disclosed vulnerability affecting the Custom Block Builder WordPress plugin before version 3.8.3. This issue allows an attacker to inject malicious scripts into a webpage due to insufficient input sanitization and output escaping. As a result, Reflected Cross-Site Scripting (XSS) attacks are possible, posing a significant risk to high-privilege users, including administrators. Attackers could exploit this vulnerability by injecting malicious code into a webpage viewed by the targeted user, potentially leading to data theft, unauthorized account access, or other malicious activities. Users are strongly advised to update their Custom Block Builder plugin to the latest version as soon as possible to mitigate this risk.

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