Notes on a Scandal (2006)
Scandal (1989)
Scandal U.S.A. (1981)
Scandal Sheet (1952)
Scandal Sheet (1985)
Scandalous (1984)
A Scandal in Paris (1946)
A Breath of Scandal (1960)
Also, here are some non-English movies that have "scandal" in their English titles:
Insadong Scandal (2009)
Scandal, aka Shubun (1946)
Scandal Makers, aka Speed Scandal, aka Kwasok Scandle (2008)
The Quiz Show Scandal, aka Kwijeu Wang (2010)
Untold Scandal, aka Seukaendeul: Joseon Namnyeo Sangyeol Ji Sa (2003)