Vulnerabilities I reported to the companies.
Articles in this series
Summary This bug in Flattr was a low impact Open Redirect that allowed attacker to redirect the victim after authorizing Twitter. PoC https://flattr.com/settings/connect/twitter?redirect=https://hackberry.xyz Timeline Found vulnerability - 5th June,...
TLDR; This is a write up with no images and only one video in the end. The write up starts from explaining the burnout from bug bounties to greybox testing to a thorough explanation and coordinated disclosure of CVE-2021-27902 and CVE-2021-27903 that...