mold behind drywall near plumbing 23

https://publishoryx.com/s/epuyxSACVppFArm3QyIPm

Noticed a musty smell in the bathroom and found a dark, fuzzy patch spreading behind the wallboard where the pipes run. The moisture from a slow leak had soaked into the drywall, giving mold the perfect place to grow. Now I'm worried it's been breathing spores into the room every time we shower.