Also, the page scanner returned the message below which makes me think it could be reporting fake negatives:
/* <![CDATA[ */
var pluploadL10n = {“queue_limit_exceeded”:”You have attempted to queue too many files.”,”file_exceeds_size_limit”:”%s exceeds the maximum upload size for this site.”,”zero_byte_file”:”This file is empty. Please try another.”,”invalid_filetype”:”Sorry, this file type is not permitted for security reasons.”,”not_an_image”:”This file is not an image. Please try another.”,”image_memory_exceeded”:”Memory exceeded. Please try another smaller file.”,”image_dimensions_exceeded”:”This is larger than the maximum size. Please try another.”,”default_error”:”An error occurred in the upload. Please try again later.”,”missing_upload_url”:”There was a configuration error. Please contact the server administrator.”,”upload_limit_exceeded”:”You may only upload 1 file.”,”http_error”:”Unexpected response from the server. The file may have been uploaded successfully. Check in the Media Library or reload the page.”,”http_error_image”:”Post-processing of the image failed likely because the server is busy or does not have enough resources. Uploading a smaller image may help. Suggested maximum size is 2500 pixels.”,”upload_failed”:”Upload failed.”,”big_upload_failed”:”Please try uploading this file with the %1$sbrowser uploader%2$s.”,”big_upload_queued”:”%s exceeds the maximum upload size for the multi-file uploader when used in your browser.”,”io_error”:”IO error.”,”security_error”:”Security error.”,”file_cancelled”:”File canceled.”,”upload_stopped”:”Upload stopped.”,”dismiss”:”Dismiss”,”crunching”:”Crunching\u2026″,”deleted”:”moved to the Trash.”,”error_uploading”:”\u201c%s\u201d has failed to upload.”,”unsupported_image”:”This image cannot be displayed in a web browser. For best results convert it to JPEG before uploading.”};
/* ]]> */