alf.io 安全漏洞

Alf.io is a free and open source event attendance management system open-sourced by Alf.io. A security vulnerability exists in versions of alf.io prior to 2.0-M5, which stems from a race condition that could allow a user to bypass the quantity limit of a promotional code and use a discount coupon...

Snapchat: [spectacles.com] Bypassing quantity limit in orders

Hi Snapchat team, In the https://www.spectacles.com the quantity of orders has limited for spectacles is 6 and for accessories is 10 according to help support page. But it can easily be manipulated by editing the URL. Problem originates from limiting the quantity of the items is with just the UI...