Stored Cross-Site Scripting Vulnerability in GC Social Wall Plugin for WordPress

CVE-2025-5564

What is CVE-2025-5564?

The GC Social Wall plugin for WordPress contains a vulnerability that allows for Stored Cross-Site Scripting (XSS) via the 'gc_social_wall' shortcode. This flaw arises from inadequate input sanitization and output escaping of user-supplied attributes. Authenticated attackers with contributor-level access or higher can exploit this vulnerability to inject arbitrary web scripts into the pages. As a result, any user accessing such altered pages may unwittingly execute the malicious code, which poses serious security risks to website integrity and user data.

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