tl;dr; Stored XSSes in Facebook wall by embedding an external video with Open Graph. When a user clicks to play the video, the XSS executes on Introduction I reported multiple stored XSS on Facebook wall in April 2017. These stored XSS vulnerabilities were also present in WordPress so I waited for WordPress to patch it before… Read More

IV. Flash based XSSes on Youtube iframe api I’m happy that people found my previous posts on Youtube Flash vulnerabilities interesting, and I will keep posting new write-ups. This time I will disclose 3 Flash based XSSes on the new Youtube html5 api (with Flash fallback). Youtube html5 api is called Youtube iframe api, because… Read More