There's been numerous threads relating to this issue. Yet this thread is the only one to get a dev's response.
Read through it and post your:
It's a memory leak within Taris. My workaround was to utilize a different computer and log on and click the Emergency Fleet Pass instantly to get off the planet. Now my character is safely off the planet and back to normal. Not planning on heading back there anytime soon.
This is why all they have to do as customer support is move your character offworld. We did it in Warhammer Online for issue where people were stuck in certain zones. Granted it's a different engine, but the basics seem to be the same.
Plus, not all of us have a second computer.