Per the stipulation, Bliss “earned” her title shot because Nikki Cross was able to defeat Bayley in a non-title match on SmackDown Live.
Here is the updated card for Extreme Rules:
Kofi Kingston (Champion) vs. Samoa Joe
The Undertaker and Roman Reigns vs. Shane McMahon and Drew McIntyre
WWE SmackDown Women’s Championship
Bayley (Champion) vs. Alexa Bliss
WWE Extreme Rules will take place on Sunday, July 14 from the Wells Fargo Center in Philadelphia, PA.