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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:braintree.tools
Scope
Name suggests:Development
First seen
Text fileClear filters28 names
Subdomains of PayPal
NameScopeFirst seen
dev.braintree.toolsdevIn scope2026-11-14
cpair.dev.braintree.toolsdevIn scope2026-11-14
prodconf-dev.braintree.toolsdevIn scope2026-11-14
us-east-1.dev.braintree.toolsdevIn scope2026-11-14
artifactory-dev.braintree.toolsdev, toolsIn scope2026-11-14
wildcard.cpair.dev.braintree.toolsdevIn scope2026-11-14
us-east-1.cpair.dev.braintree.toolsdevIn scope2026-11-14
us-east-2.cpair.dev.braintree.toolsdevIn scope2026-11-14
us-west-1.cpair.dev.braintree.toolsdevIn scope2026-11-14
us-west-2.cpair.dev.braintree.toolsdevIn scope2026-11-14
docker.artifactory-dev.braintree.toolsdev, toolsIn scope2026-11-14
eu-central-1.cpair.dev.braintree.toolsdevIn scope2026-11-14
ap-southeast-2.cpair.dev.braintree.toolsdevIn scope2026-11-14
k8s-dashboard-dev-us-east-1.braintree.toolsadmin, dev, toolsIn scope2026-11-14
k8s-dashboard-dev-us-east-2.braintree.toolsadmin, dev, toolsIn scope2026-11-14
k8s-dashboard-dev-us-west-2.braintree.toolsadmin, dev, toolsIn scope2026-11-14
k8s-dashboard-dev-ap-south-1.braintree.toolsadmin, dev, toolsIn scope2026-11-14
wildcard.us-east-1.cpair.dev.braintree.toolsdevIn scope2026-11-14
wildcard.us-east-2.cpair.dev.braintree.toolsdevIn scope2026-11-14
wildcard.us-west-1.cpair.dev.braintree.toolsdevIn scope2026-11-14
wildcard.us-west-2.cpair.dev.braintree.toolsdevIn scope2026-11-14
29bgh.lufc.us-east-1.cpair.dev.braintree.toolsdevIn scope2026-11-14
k8s-dashboard-dev-eu-central-1.braintree.toolsadmin, dev, toolsIn scope2026-11-14
webmail.au.us-east-1.cpair.dev.braintree.toolsdev, mailIn scope2026-11-14
webmail.ec.us-east-1.cpair.dev.braintree.toolsdev, mailIn scope2026-11-14
wildcard.eu-central-1.cpair.dev.braintree.toolsdevIn scope2026-11-14
k8s-dashboard-dev-ap-southeast-2.braintree.toolsadmin, dev, toolsIn scope2026-11-14
wildcard.ap-southeast-2.cpair.dev.braintree.toolsdevIn 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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