Molly pulled out her wand and placed a minor privacy charm on the room. She hadn't intended on bringing that particular incident up yet, considering how sensitive the situation was, but she was glad Penny did decide to share. "I had heard..." She started, looking very concerned and motherly as she unpacked the meal she had brought for Penny. "What happened?"
Molly had heard very very little about the situation. She just knew that Penny had been hurt - attacked, by someone - most likely a death eater, and given Penny's muggleborn status, there was a chance she'd be attacked again.