WordPress Plugin Grapefile File Sharing is prone to a vulnerability that lets attackers upload arbitrary files because the application fails to adequately sanitize user-supplied input. An attacker can exploit this vulnerability to upload arbitrary PHP code and run it in the context of the webserver process. This may facilitate unauthorized access or privilege escalation; other attacks are also possible. WordPress Plugin Grapefile File Sharing version 1.1 is vulnerable; other versions may also be affected.


Restrict access to the grapeupload.php, grapeupload2.php, grapeupload3.php, and grapeupload4.php scripts (e.g. via .htaccess) or disable the plugin until a fix is available


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