This plugin or one running under the same name was abused by a malicious third party, causing an account infection and the uploading of numerous other files. The origin of the tell-a-friend plugin was through the WordPress Dashboard plugin installer in this case, leading me to believe it was intentionally installed by the account owner and later abused by a malicious third party.
Please review the plugin’s code to ensure it does not permit file injection or malicious file uploads to the hosting account.
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