11 April 2016 Last updated at 14:11 BST
The 22-year-old delivery driver was left with a shattered kneecap and broken ankle after she was struck in Sunningvale Avenue in Biggin Hill, south east London.
She had left the key in the ignition as she made a delivery at around 13.40 GMT on 21 January.
The thief jumped into the driver's seat and ran her over before driving away.
Police are appealing for anyone with information to come forward.
CCTV footage of the moment a woman was mown down after a thief stole her van has been released in a police appeal.