Vulnerabilities tagged 'bounty'

Local File Read via Stored XSS in The Opera Browser

The vulnerability here is simply that Opera’s Pinboard feature allows pinning URLs starting with javascript: creating a clickable link on a Pinboard that will execute JavaScript. Unfortunately (for the attacker) these tabs open in a new window and not within the Pinboard context unless middle clicking, then these links will trigger them within the Pinboard context.

 

Create free Shopify application credits

The Shopify GraphQL endpoint has a mutation appCreditCreate for Shopify apps to issue credits to merchants that can be used towards future app purchases.While this mutation cannot be used through the GraphQL endpoint at /admin/internal/web/graphql/core the GraphiQL app provided by Shopify however does allow the mutation…

 

Bypassing a Magic Number Check for Code Injection

Easy vulnerability that shows how checking the magic numbers of a file isn’t always sufficient.For some types of files all that matters is that the processor can detect its own content within another file…

 

Three Facebook Bugs Leading to Account Takeover

tl;dr - The Oauth endpoint parses URL paramters redirect_uri and redirect_uri[0 (note the missing ]) as pointing to the same variable. Allowing the second to overwrite the first. The front-end however sees them as two distinct keys and so redirects the oauth token to the redirect_uri while the endpoint validates that the other value points to a whitelisted location

 

SnapChat Exposes "One Tap Passwords" for any user

I’m not sure what the normal flow for a “One Tap Password” is but /scauth/otp/droid/logout can be used to retrieve OTP token in the response. Which can be passed to /scauth/otp/login along with the username to login.