Escape HTML in the filename of the progress indicator during attachment upload
Escape HTML in the filename of the progress indicator during attachment upload

WoltLab/WCF,WoltLab/WCF,SoftCreatR/WCF,SoftCreatR/WCF,SoftCreatR/WCF,WoltLab/WCF,SoftCreatR/WCF,WoltLab/WCF