CVE-2024-13883

Summary

CVE-2024-13883 is a Cross-Site Request Forgery vulnerability affecting the WPUpper Share Buttons plugin for WordPress. The issue, present in versions up to 3.51, stems from insufficient nonce validation in the 'save_custom_css_request' function. This weakness allows unauthenticated attackers to inject custom CSS codes into a site by tricking administrators into executing a malicious request. Successful exploitation can lead to site modifications.

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