Email Related

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Email Related
​At password reset pages always try manipulating HOST header, you might get lucky and find that the password reset URL contain your own host instead of the original domain name. Just got easy 500$ for this stupid bug.​
​bugbountytip: if a website does not verify email, try signing up with <whatev>@domain.com (the company email). Sometimes this gives you higher privilege like deleting/viewing any other user's profiles etc.​
​Do you have any problem with creating a new account in some application due to requirement of business email (corp)? Solution is here: #Burp Collaborator. Create an account with [email protected] and look after SMTP request at your client. #Security #bugbountytip #webapp​
​Just found an interesting bug.. can you invite other users (via email usually) to xyz? Try the invite link on a different account and see what happens. In my case, it auto leaked my other accounts email to me. (no prompts to accept invite, didn't validate user) #BugBountyTips​
​Ever signup for a service and your account needs approval? Try reset your password as sometimes it bypasses the approval process.. :D #bugbountytips​
​#bugbountytip If you can send letters from your email [email protected], try to substitute your email with company employers or other users email in the request. You can find it with http://hunter.io  or reg another acc. For me, it worked a few times in private BB.​
​#BugBountyTip: Always remember to check emails for access control issues. Sometimes the same access control is not applied when sending emails. [email protected] for the bounty!Quote Tweet​
​[Tip]​
​Create many accounts with one email :D​
​A lot of web apps treat [email protected] and [email protected] as different emails but actually the emails sent to [email protected] will be received by [email protected] because gmail considers them the same email address.​
​-Weird bug I found yesterday -victim has email as [email protected] -i signed up with [email protected] - deleted my account and victim account got deleted too #bugbountytip​
Another example of two systems handling data differently and how it can be exploited. tl;dr<[email protected]>[email protected] is submitted as the email address Email is sent to [email protected] [email protected] gets registered
​https://nathandavison.com/blog/exploiting-email-address-parsing-with-aws-se​
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https://twitter.com/intigriti/status/1272860780694843392?s=20
Validate your email address with the payload you can here: - https://twitter.com/Haoneses/status/1292456202857742338?s=20​
​http://sphinx.mythic-beasts.com/~pdw/cgi-bin/emailvalidate​
​1.Account setting page: Update new Email: Normal: "Email":"[email protected]" (200 OK) New: "Email":"[email protected]" (error msg : u can't change the email [email protected] ) New Update: "Email":" [email protected] " (200 OK) just add space Bounty: 500$ #bugbountytips #hackerone​
Remote Code Execution (RCE)
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