SMTP passwords with ampersand are saved as & #19340

Expected Behavior

When saving an SMTP passwords that contains an ampersand (&), it should be saved as such, otherwise authentication will not work.

Current Behavior

Ampersands in SMTP passwords are saved as &

Steps to Reproduce (for Bugs)

1. Go to System - General settings - Email server settings.
2. Fill out the details, with a password containing the & character, like foo&bar.
3. Check the config/config.ini.php - it will say password = "foo&bar"

Your Environment

• Matomo Version: 4.10.1
• PHP Version: 7.4.28
• Server Operating System: Debian 10

@fritzmg thanks for reporting this, our product team will prioritize this bug