The girl was approached by a teenage boy when walking towards Redhill Way, near Donnington.
Police are now appealing for witnesses or anyone with information to come forward.
It happened at around 4.30pm on Wednesday, March 24.
The boy is described as around 16 years old, of stocky build with long, blond hair.
He was wearing grey shorts and a black top along with a face mask.
Anyone with information or dash-cam footage is urged to contact Pc Westhorpe on 101 quoting incident 00288_I_26032021.
Alternatively, contact Crimestoppers anonymously on 0800 555111 or at crimestoppers-uk.org