Bug Bounty Tip: Link preview / URL unfurling features fetch remote URLs to extract metadata and generate cards. This is exactly where SSRF is found in platforms like Twitter, Slack, Discord, WhatsApp, and LinkedIn.
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LinkSnap visits this URL to extract the page title, description, and screenshot.
Recent Previews
Example Domain
example.com · 2024-06-01 10:15:42
200
Stripe Blog
stripe.com · 2024-06-01 14:32:11
200
Where Bug Hunters Find This
  • Twitter, Slack, Discord link unfurling
  • WhatsApp / Telegram link previews
  • LinkedIn post sharing cards
  • URL shorteners (Bitly, TinyURL)
  • CMS auto-embed (WordPress, Medium)
  • Marketing tools (Buffer, Hootsuite)