A young woman's traumatic experience at the hands of police officers who unlawfully undressed her looking for drugs at a music festival has sparked a call for change.

Raya Meredith was 27 when she was falsely imprisoned by NSW Police and strip searched at the 2018 Splendour in the Grass festival at Byron Bay.

In a marquee that did not offer nearly enough privacy, she was asked to remove all of her clothes and even her tampon in an unlawful use of police powers, the NSW Supreme Court found on Tuesday.

"This decision is a reckoning for the NSW Police and Minns government," Greens MP and drug law reform spokesperson Cate Faehrmann said after the decision was handed down.

Faced with a class action by 3000 individuals strip searched between 2018 and 2022, Ms Faehrmann said enough was enough

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