![Open Redirect in Flattr](https://eval.blog/processed_images/cover.0d71ddeb1f9ce66f.jpg)
Open Redirect in Flattr
June 11, 2020 ◦ 1 min ◦
This bug in Flattr was a low-impact Open Redirect that allowed an attacker to redirect the victim after authorizing Twitter.
PoC
Visit the URL
https://flattr.com/settings/connect/twitter?redirect=https://eval.blog
After authorization, user will be redirected to eval.blog.