“Vile” is an adjective, and has to modify a noun. It cannot be a noun itself, no matter how hard one tries to use it so.
In this context, the noun you want is indeed “bile.” If you must use the V, then the noun would be “vileness.”
Vile behavior. How’s that?
How about:
“Weiner is vile.” Where the “is” connotes permanence, as opposed to the “vile” merely modifying “Weiner.”
To use an anology from Spanish, it’s like the verb “es” vs. “esta” in Spanish).
Wiener esta malo.
o
Wiener es malo -— as in he is the original vile, the epitome of disgust, the first evil.
How about “vile bile” — that works for me.