One of Dave Grohl’s exes believes he has even more confessions to make. “Sliders” actress Kari Wuhrer , 57, who dated Grohl in the late ’90s, had some not-so-nice things to say about the Foo Fighters frontman, 55, after discovering he had cheated on his wife , Jordyn Blum, and produced a love child with another woman. Calling him a “scumbag,” Wuhrer labeled him a “serial cheater” and claimed there’s been “rumblings” of other alleged infidelities for years.

Grohl’s former flame spoke to TMZ about the “Best of You” singer’s latest scandal after he came clean earlier this month about being unfaithful to his wife of 21 years and revealing he recently welcomed a baby with a mystery woman. The ex-MTV host claimed there’s been chatter about Grohl’s alleged sidepieces for years. While the world was shocked to hear the news, Wuhrer was not surprised.

She claimed the rocker pursued a relationship with her while he was dating his ex-girlfriend Tina Basich, but she didn’t discover his alleged two-timing ways until she vented about their romance on “The Howard Stern Show.” According to Wuhrer, Basich caught wind of the interview and confronted Grohl, which prompted their breakup. “I was letting the cat out of the bag .

.. I never heard about her.

He never spoke of it,” she told TMZ on Thursday. After her interview with Howard Stern, Wuhrer claimed she never heard from Grohl again. She said they would occasionally run into each other around town, .