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Bug bounty program

PA

PayPal

Open on HackerOneAtlas
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

Root
Scope
Name suggests:Internal
First seen
Text fileClear filters93 names
Subdomains of PayPal
NameScopeFirst seen
origin-toby-internal.dev.braintree-api.comdev, internalIn scope2026-11-14
prodconf-website-internal-us-west-2.dev.braintree-api.comdev, internalIn scope2026-11-14
toby-internal-us-west-2.dev.braintree-api.comdev, internalIn scope2026-11-14
webseq-internal-us-west-2.dev.braintree-api.comdev, internalIn scope2026-11-14
dimension-finder-internal-us-west-2.dev.cosmos.braintreepayments.comdev, internalIn scope2026-11-14
internal.braintreepayments.cominternalIn scope2026-11-14
www.internal.braintreepayments.cominternalIn scope2026-11-14
fiserv-extranet.staging.braintreepayments.cominternal, stagingIn scope2026-11-14
omnipay-extranet.staging.braintreepayments.cominternal, stagingIn scope2026-11-14
api-b2b-extranet.paydiant.comapi, internalIn scope2026-11-14
certification-extranet.paydiant.cominternalIn scope2026-11-14
internal-lb.blue.us-east-1.testing.core.paydiant.cominternal, testIn scope2026-11-14
internal-lb.green.us-east-1.testing.core.paydiant.cominternal, testIn scope2026-11-14
internal.us-east-1.testing.core.paydiant.cominternal, testIn scope2026-11-14
internal_lb.us-east-1.testing.core.paydiant.cominternal, testIn scope2026-11-14
extranet.paydiant.cominternalIn scope2026-11-14
internal.paydiant.cominternalIn scope2026-11-14
eng.internal.paydiant.cominternalIn scope2026-11-14
qa.internal.paydiant.cominternal, testIn scope2026-11-14
qa2.internal.paydiant.cominternalIn scope2026-11-14
internal.skybridge.paydiant.cominternalIn scope2026-11-14
awsstaging.internal.skybridge.paydiant.cominternalIn scope2026-11-14
awsstaging-elb.internal.skybridge.paydiant.cominternalIn scope2026-11-14
awsstaging-simulator-elb.internal.skybridge.paydiant.cominternalIn scope2026-11-14
cert.internal.skybridge.paydiant.cominternalIn scope2026-11-14
cert-elb.internal.skybridge.paydiant.cominternalIn scope2026-11-14
cert-simulator-elb.internal.skybridge.paydiant.cominternalIn scope2026-11-14
certaintyor-elb.internal.skybridge.paydiant.cominternalIn scope2026-11-14
eng.internal.skybridge.paydiant.cominternalIn scope2026-11-14
eng-simulator.internal.skybridge.paydiant.cominternalIn scope2026-11-14
engineering.internal.skybridge.paydiant.cominternalIn scope2026-11-14
engineering-elb.internal.skybridge.paydiant.cominternalIn scope2026-11-14
engineering-simulator-elb.internal.skybridge.paydiant.cominternalIn scope2026-11-14
ops.internal.skybridge.paydiant.cominternalIn scope2026-11-14
www.ops.internal.skybridge.paydiant.cominternalIn scope2026-11-14
prod.internal.skybridge.paydiant.cominternalIn scope2026-11-14
prod-elb.internal.skybridge.paydiant.cominternalIn scope2026-11-14
prod-simulator-elb.internal.skybridge.paydiant.cominternalIn scope2026-11-14
sandbox.internal.skybridge.paydiant.cominternal, testIn scope2026-11-14
sandbox-elb.internal.skybridge.paydiant.cominternal, testIn scope2026-11-14
sandbox-simulator-elb.internal.skybridge.paydiant.cominternal, testIn scope2026-11-14
staging.internal.skybridge.paydiant.cominternal, stagingIn scope2026-11-14
staging-elb.internal.skybridge.paydiant.cominternal, stagingIn scope2026-11-14
staging-simulator-elb.internal.skybridge.paydiant.cominternal, stagingIn scope2026-11-14
testing.internal.skybridge.paydiant.cominternal, testIn scope2026-11-14
testing-elb.internal.skybridge.paydiant.cominternal, testIn scope2026-11-14
testing-simulator-elb.internal.skybridge.paydiant.cominternal, testIn scope2026-11-14
private.paypal.cominternalIn scope2026-11-14
svcs.private.paypal.cominternalIn scope2026-11-14
internal.te-abacusgateway.qa.paypal.cominternal, testIn scope2026-11-14
internal.te-sispnodeweb.qa.paypal.cominternal, testIn scope2026-11-14
internal.te-ucp-test-infra.qa.paypal.cominternal, testIn scope2026-11-14
www.internal.te-ucp-test-infra.qa.paypal.cominternal, testIn scope2026-11-14
private.sandbox.paypal.cominternal, testIn scope2026-11-14
svcs.private.sandbox.paypal.cominternal, testIn scope2026-11-14
internal.swiftcapital.cominternalNot in the scope2026-11-14
corp.beta.venmo.cominternal, stagingIn scope2026-11-14
corp-soutboundinancope.beta.venmo.cominternal, stagingIn scope2026-11-14
corp-southelay.beta.venmo.cominternal, stagingIn scope2026-11-14
corp-southelay.blog.venmo.cominternalIn scope2026-11-14
hyperterminal-private-edition-htpe.blog.venmo.cominternalIn scope2026-11-14
corp-reg.venmo.cominternalIn scope2026-11-14
corp-soutboundinancope.venmo.cominternalIn scope2026-11-14
hyperterminal-private-edition-htpe.venmo.cominternalIn scope2026-11-14
corp-southelay.loadtest.venmo.cominternalIn 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.

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