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Bug bounty program

Platform
HackerOne
Bounties
Pays
Assets in scope
42
Disclosed reports
13
Subdomains
17,149
Vendor on CyberSIXT
Paypal (21 CVEs, 0 exploited)

Most upvoted reports13

All reports
Most upvoted reports of PayPal
ReportWeaknessDisclosedBountyVotes
Bypass for #488147 enables stored XSS on https://paypal.com/signin againAnalysed#510152Injection and Smuggling2019-08-07$20,0002,687
Token leak in security challenge flow allows retrieving victim's PayPal email and plain text passwordAnalysed#739737Authentication2020-01-08$15,3001,409
RCE via npm misconfig -- installing internal libraries from the public registryAnalysed#925585Command and Code Injection2021-02-09$30,000946
DoS on PayPal via web cache poisoningAnalysed#622122Denial of Service2019-10-23$9,700851
IDOR to add secondary users in www.paypal.com/businessmanage/users/api/v1/usersAnalysed#415081Insecure Direct Object Reference2019-07-30$10,500797
Stored XSS on https://paypal.com/signin via cache poisoningAnalysed#488147Injection and Smuggling2019-08-07$18,900685
[PayPal Android] Remote theft of user session using push_notification_webview deeplinkAnalysed#424443Open Redirect2019-02-07–188
[Venmo Android] Remote theft of user sessionAnalysed#401940Open Redirect2019-02-07–151
Reflected XSS at https://www.paypal.com/ppcreditapply/da/usAnalysed#753835Cross-site Scripting2020-05-19–137
XSS [flow] - on www.paypal.com/paypalme/my/landing (requires user interaction)Analysed#425200Cross-site Scripting2018-11-06–100

Subdomains17,149

Subdomains of PayPal
NameScopeFirst seen
api.braintree-api.comapiIn scope2026-11-14
api-ap-east-1.braintree-api.comapiIn scope2026-11-14
api-ap-northeast-1.braintree-api.comapiIn scope2026-11-14
api-ap-northeast-2.braintree-api.comapiIn scope2026-11-14
api-ap-south-1.braintree-api.comapiIn scope2026-11-14
api-ap-southeast-1.braintree-api.comapiIn scope2026-11-14
api-ap-southeast-2.braintree-api.comapiIn scope2026-11-14
api-ca-central-1.braintree-api.comapiIn scope2026-11-14
api-eu-central-1.braintree-api.comapiIn scope2026-11-14
api-eu-north-1.braintree-api.comapiIn scope2026-11-14
api-eu-west-1.braintree-api.comapiIn scope2026-11-14
api-eu-west-2.braintree-api.comapiIn scope2026-11-14
api-eu-west-3.braintree-api.comapiIn scope2026-11-14
api-ga.braintree-api.comapiIn scope2026-11-14
api-sa-east-1.braintree-api.comapiIn scope2026-11-14
api-us-east-1.braintree-api.comapiIn scope2026-11-14
api-us-east-2.braintree-api.comapiIn scope2026-11-14
api-us-west-1.braintree-api.comapiIn scope2026-11-14
api-us-west-2.braintree-api.comapiIn scope2026-11-14
graphql.dev.braintree-api.comapi, devIn scope2026-11-14
origin-pingy-grpc-qa.dev.braintree-api.comapi, dev, testIn scope2026-11-14
pingy-grpc-qa-us-east-1.dev.braintree-api.comapi, dev, testIn scope2026-11-14
pingy-grpc-qa-us-east-2.dev.braintree-api.comapi, dev, testIn scope2026-11-14
pingy-grpc-qa-us-west-2.dev.braintree-api.comapi, dev, testIn scope2026-11-14
origin-panels-api-prod.production.braintree-api.comapiIn scope2026-11-14
panels-api-prod.production.braintree-api.comapiIn scope2026-11-14
panels-api-prod-ap-northeast-1.production.braintree-api.comapiIn scope2026-11-14
panels-api-prod-ap-northeast-2.production.braintree-api.comapiIn scope2026-11-14
panels-api-prod-ap-south-1.production.braintree-api.comapiIn scope2026-11-14
panels-api-prod-ap-southeast-1.production.braintree-api.comapiIn scope2026-11-14
panels-api-prod-ap-southeast-2.production.braintree-api.comapiIn scope2026-11-14
panels-api-prod-ca-central-1.production.braintree-api.comapiIn scope2026-11-14
panels-api-prod-eu-central-1.production.braintree-api.comapiIn scope2026-11-14
panels-api-prod-eu-west-1.production.braintree-api.comapiIn scope2026-11-14
panels-api-prod-eu-west-2.production.braintree-api.comapiIn scope2026-11-14
panels-api-prod-sa-east-1.production.braintree-api.comapiIn scope2026-11-14
panels-api-prod-us-east-1.production.braintree-api.comapiIn scope2026-11-14
panels-api-prod-us-east-2.production.braintree-api.comapiIn scope2026-11-14
panels-api-prod-us-west-1.production.braintree-api.comapiIn scope2026-11-14
panels-api-prod-us-west-2.production.braintree-api.comapiIn scope2026-11-14
api.qa.braintree-api.comapi, testIn scope2026-11-14
api-ap-east-1.qa.braintree-api.comapi, testIn scope2026-11-14
api-ap-northeast-1.qa.braintree-api.comapi, testIn scope2026-11-14
api-ap-northeast-2.qa.braintree-api.comapi, testIn scope2026-11-14
api-ap-south-1.qa.braintree-api.comapi, testIn scope2026-11-14
api-ap-southeast-1.qa.braintree-api.comapi, testIn scope2026-11-14
api-ap-southeast-2.qa.braintree-api.comapi, testIn scope2026-11-14
api-ca-central-1.qa.braintree-api.comapi, testIn scope2026-11-14
api-eu-central-1.qa.braintree-api.comapi, testIn scope2026-11-14
api-eu-north-1.qa.braintree-api.comapi, testIn scope2026-11-14
api-eu-west-1.qa.braintree-api.comapi, testIn scope2026-11-14
api-eu-west-2.qa.braintree-api.comapi, testIn scope2026-11-14
api-eu-west-3.qa.braintree-api.comapi, testIn scope2026-11-14
api-ga.qa.braintree-api.comapi, testIn scope2026-11-14
api-sa-east-1.qa.braintree-api.comapi, testIn scope2026-11-14
api-us-east-1.qa.braintree-api.comapi, testIn scope2026-11-14
api-us-east-2.qa.braintree-api.comapi, testIn scope2026-11-14
api-us-west-1.qa.braintree-api.comapi, testIn scope2026-11-14
api-us-west-2.qa.braintree-api.comapi, testIn scope2026-11-14
api.sandbox.braintree-api.comapi, testIn scope2026-11-14
api-ap-east-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
api-ap-northeast-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
api-ap-northeast-2.sandbox.braintree-api.comapi, testIn scope2026-11-14
api-ap-south-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
api-ap-southeast-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
api-ap-southeast-2.sandbox.braintree-api.comapi, testIn scope2026-11-14
api-ca-central-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
api-eu-central-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
api-eu-north-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
api-eu-west-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
api-eu-west-2.sandbox.braintree-api.comapi, testIn scope2026-11-14
api-eu-west-3.sandbox.braintree-api.comapi, testIn scope2026-11-14
api-ga.sandbox.braintree-api.comapi, testIn scope2026-11-14
api-sa-east-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
api-us-east-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
api-us-east-2.sandbox.braintree-api.comapi, testIn scope2026-11-14
api-us-west-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
api-us-west-2.sandbox.braintree-api.comapi, testIn scope2026-11-14
graphql-docs-sand-ap-southeast-2.sandbox.braintree-api.comapi, testIn scope2026-11-14
graphql-docs-sand-eu-central-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
graphql-docs-sand-us-east-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
graphql-docs-sand-us-east-2.sandbox.braintree-api.comapi, testIn scope2026-11-14
graphql-docs-sand-us-west-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
graphql-docs-sand-us-west-2.sandbox.braintree-api.comapi, testIn scope2026-11-14
origin-panels-api-sand.sandbox.braintree-api.comapi, testIn scope2026-11-14
panels-api-sand.sandbox.braintree-api.comapi, testIn scope2026-11-14
panels-api-sand-ap-northeast-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
panels-api-sand-ap-northeast-2.sandbox.braintree-api.comapi, testIn scope2026-11-14
panels-api-sand-ap-south-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
panels-api-sand-ap-southeast-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
panels-api-sand-ap-southeast-2.sandbox.braintree-api.comapi, testIn scope2026-11-14
panels-api-sand-ca-central-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
panels-api-sand-eu-central-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
panels-api-sand-eu-west-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
panels-api-sand-eu-west-2.sandbox.braintree-api.comapi, testIn scope2026-11-14
panels-api-sand-sa-east-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
panels-api-sand-us-east-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
panels-api-sand-us-east-2.sandbox.braintree-api.comapi, testIn scope2026-11-14
panels-api-sand-us-west-1.sandbox.braintree-api.comapi, testIn scope2026-11-14
panels-api-sand-us-west-2.sandbox.braintree-api.comapi, testIn scope2026-11-14

17,017 names are covered by the program's own scope; 3 were first seen this week. Names come from ProjectDiscovery's public Chaos dataset (passive sources: certificate logs, DNS and other public data), matched to the program by its listing and its own domain scope. A name being in a dataset is not permission to test it: only what the program's own scope says is in scope, and its policy decides. CyberSIXT does not resolve, probe or scan these names. Tags come from the name alone. Source: ProjectDiscovery Chaos. Subdomains on the Atlas, or search the subdomains of every program.

A name in a dataset is not permission to test it: the program's own scope and rules decide. Data as of 2026-11-15.