No, mod menus won't start appearing in GTA Online in mass numbers for PS4 players (even with the current jailbreak scene). There was a recent post on the GTA Online Reddit that got a lot of traction ...

Mod menus make a GTA 5 player's life convenient. Coupled with that, GTA 5 has arguably the richest modding scene in the entire series, so it's only inevitable that it will have several noteworthy mod ...