A XSS bug on Spotify's Podcasters

In this blog post I’ll share a report I wrote a few months ago for a XSS bug found on podcasters.spotify.com. This was submitted on HackerOne but unfortunately, it was already reported and mine was considered a duplicate, oh well, better luck next time. Summary When a user submits a new podcast RSS feed for verification, the description tag inside it is not properly escaped. This results in JavaScript being executed on the page which could allow attackers to hijack users' session cookies and/or take over accounts....

15 September, 2020 · 2 min · Naz Markuta