gallery_plus: Content Spoofing

How it was found

Attacker can send his messages directly through url. He can easily put his message on error message parameter . Like that http://192.168.0.107/owncloud/index.php/apps/galleryplus/error?message=Welcome to owncloud. You can get pro account by sending us 10 usd directly to our official paypal [email protected]. Thanks.&code=0

Thanks.