The Image Rotation Repair plugin simply fixes image orientation based on EXIF data. This is primarily a patch for mis-oriented images delivered from iPhones. Functionally it filters all uploads and if EXIF->Orientation is set to a number greater than 1, then the image is resaved with a new orientation before the image is processed by wordpress.
NEW – supports postie plugin!
Documentation
No documentation needed.
Te puedes descargar este plugin para utilizarlo en tu instalación autoalojada de WordPress.