Synonym of shocking/risqué

Edgy includes several of the concepts in other answers, and is refers to artistic works. See definition 3.

edg·y (ĕjē) adj. edg·i·er, edg·i·est

1. Nervous or irritable: The performers were edgy as they waited for the show to begin.
2. Having a sharp or biting edge: an edgy wit.
3. Daring, provocative, or trend-setting: an exhibition of edgy photographs; an edgy menu.

edgi·ly adv.

edgi·ness n.

https://www.ahdictionary.com/word/search.html?q=edgy

outrageous

shocking and morally unacceptable.

(Cambridge Dictionary)

Salacious (adj.)

1660s, from Latin salax (genitive salacis) "lustful," probably originally "fond of leaping," as in a male animal leaping on a female in sexual advances, from salire "to leap" (see salient (adj.)). Earliest form of the word in English is salacity (c. 1600). Related: Salaciously; salaciousness.

https://www.etymonline.com/word/salacious