CVE-2023-5307

Summary

CVE-2023-5307 is a vulnerability affecting the Photos and Files Contest Gallery plugin for WordPress. Prior to version 21.2.8.1, this plugin fails to properly sanitize and escape certain parameters, creating an opportunity for unauthenticated attackers to execute Cross-Site Scripting (XSS) attacks. By manipulating specific headers, adversaries can inject malicious code into a victim's webpage, potentially leading to data theft or other forms of unauthorized access. Users are advised to update their plugins as soon as possible to mitigate this threat.

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