Skip to content

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.venmo.comapiIn scope2026-11-14
api-aa.venmo.comapiIn scope2026-11-14
api-aa-3t.venmo.comapiIn scope2026-11-14
api-api.venmo.comapiIn scope2026-11-14
api-b2b.venmo.comapiIn scope2026-11-14
api-ma.venmo.comapiIn scope2026-11-14
api-ma4.venmo.comapiIn scope2026-11-14
api-pp-mtls.venmo.comapiIn scope2026-11-14
api-sand-us-east-2.venmo.comapiIn scope2026-11-14
api-savvisa-check.venmo.comapiIn scope2026-11-14
atmgate-qa-api.venmo.comapi, testIn scope2026-11-14
atmgatevpn-api.venmo.comapiIn scope2026-11-14
atmos-ap-sand-api.venmo.comapiIn scope2026-11-14
atmosphere-developer-api.venmo.comapiIn scope2026-11-14
autodisputin-posphere-qa-origin-posprivatevpn-api-proxy.venmo.comapi, testIn scope2026-11-14
api.beta.venmo.comapi, stagingIn scope2026-11-14
api-3t.beta.venmo.comapi, stagingIn scope2026-11-14
api-api.beta.venmo.comapi, stagingIn scope2026-11-14
atmgate-qa-api.beta.venmo.comapi, staging, testIn scope2026-11-14
atmgatevpn-api.beta.venmo.comapi, stagingIn scope2026-11-14
blue-front-panel-proxywebhook-dev-api.beta.venmo.comadmin, api, dev, stagingIn scope2026-11-14
blue-sale-api-sand-us-webhook-dev-ap-southeast-2.beta.venmo.comapi, dev, stagingIn scope2026-11-14
data-api.beta.venmo.comapi, stagingIn scope2026-11-14
dimentiver-api.beta.venmo.comapi, stagingIn scope2026-11-14
dme-origin-api.beta.venmo.comapi, stagingIn scope2026-11-14
here-dev-api.beta.venmo.comapi, dev, stagingIn scope2026-11-14
jumpmann-dev-api.beta.venmo.comapi, dev, stagingIn scope2026-11-14
k8s-dashboard-dev-api.beta.venmo.comadmin, api, dev, staging, toolsIn scope2026-11-14
mcf-citroencover-dev-api.beta.venmo.comapi, dev, stagingIn scope2026-11-14
mcf-formancover-dev-api.beta.venmo.comapi, dev, stagingIn scope2026-11-14
mcf-mschreibencover-dev-api.beta.venmo.comapi, dev, stagingIn scope2026-11-14
mcf-novenyekazotthonodbancover-dev-api.beta.venmo.comapi, dev, stagingIn scope2026-11-14
mcf-stilexpertencover-dev-api.beta.venmo.comapi, dev, stagingIn scope2026-11-14
mchd-origin-mcoronavpn-api.beta.venmo.comapi, stagingIn scope2026-11-14
mes-sand-api.beta.venmo.comapi, stagingIn scope2026-11-14
mobile-api-3t-rmserver-ap-southeast-2.beta.venmo.comapi, stagingIn scope2026-11-14
msoid-prod-sand-api.beta.venmo.comapi, stagingIn scope2026-11-14
nagin-api.beta.venmo.comapi, stagingIn scope2026-11-14
notionsul-qa-api.beta.venmo.comapi, staging, testIn scope2026-11-14
old-api-3t.beta.venmo.comapi, legacy, stagingIn scope2026-11-14
origin-api.beta.venmo.comapi, stagingIn scope2026-11-14
origin-api-sand-us-web.beta.venmo.comapi, stagingIn scope2026-11-14
phx-origin-pointofsale-api.beta.venmo.comapi, stagingIn scope2026-11-14
riskdataskworker-api.beta.venmo.comapi, stagingIn scope2026-11-14
sasiaprod-sand-api.beta.venmo.comapi, stagingIn scope2026-11-14
sents-qa-api.beta.venmo.comapi, staging, testIn scope2026-11-14
slc-a-origin-mobile-api.beta.venmo.comapi, stagingIn scope2026-11-14
slc-a-origin-posphere-qa-api.beta.venmo.comapi, staging, testIn scope2026-11-14
slc-b-origin-api-t.beta.venmo.comapi, stagingIn scope2026-11-14
slc-b-origin-cosmosprivate-api.beta.venmo.comapi, stagingIn scope2026-11-14
slc-c-origin-api.beta.venmo.comapi, stagingIn scope2026-11-14
tugboard-sand-api.beta.venmo.comapi, stagingIn scope2026-11-14
api.betaweb.venmo.comapiIn scope2026-11-14
adver-data-api.blog.venmo.comapiIn scope2026-11-14
api.blog.venmo.comapiIn scope2026-11-14
api-sand-us-east-2.blog.venmo.comapiIn scope2026-11-14
api-savvisa-check.blog.venmo.comapiIn scope2026-11-14
atl-tcover-sand-us-api-prod.blog.venmo.comapiIn scope2026-11-14
atmosprivatevpn-api-m.blog.venmo.comapiIn scope2026-11-14
auth-pointofsale-api.blog.venmo.comapi, authIn scope2026-11-14
autodisputin-posphere-qa-origin-posprivatevpn-api-proxy.blog.venmo.comapi, testIn scope2026-11-14
cf-cdncover-dev-api.blog.venmo.comapi, devIn scope2026-11-14
cf-market-force-informationcover-dev-api.blog.venmo.comapi, devIn scope2026-11-14
cf-matlvpncover-dev-api.blog.venmo.comapi, devIn scope2026-11-14
cf-mobileclientransactioncover-dev-api.blog.venmo.comapi, devIn scope2026-11-14
cf-mspecnazspncover-dev-api.blog.venmo.comapi, devIn scope2026-11-14
cf-mtrinincover-dev-api.blog.venmo.comapi, devIn scope2026-11-14
cf-mvisioncover-dev-api.blog.venmo.comapi, devIn scope2026-11-14
cf-origin-histransactioncover-dev-api.blog.venmo.comapi, devIn scope2026-11-14
datast-api.blog.venmo.comapiIn scope2026-11-14
dcg11-origin-cdn-disputinels-api.blog.venmo.comapiIn scope2026-11-14
docs-data-api.blog.venmo.comapiIn scope2026-11-14
docs-prod-api.blog.venmo.comapiIn scope2026-11-14
endymionsul-prod-api.blog.venmo.comapiIn scope2026-11-14
jumpmann-dev-api.blog.venmo.comapi, devIn scope2026-11-14
k8s-dashboard-blue-front-data-api.blog.venmo.comadmin, api, toolsIn scope2026-11-14
mbancovps-panels-api-southeast-2.blog.venmo.comapiIn scope2026-11-14
monityreportinels-api-pub.blog.venmo.comapiIn scope2026-11-14
mops-panel-provisa-mcoronavpn-api.blog.venmo.comadmin, apiIn scope2026-11-14
nages-test-api-pub.blog.venmo.comapi, testIn scope2026-11-14
old-api-3t-raz01-origin-mediaprod.blog.venmo.comapi, legacyIn scope2026-11-14
origin-api.blog.venmo.comapiIn scope2026-11-14
origin-mobileclientransactive-api.blog.venmo.comapiIn scope2026-11-14
payflowprod-api.blog.venmo.comapiIn scope2026-11-14
pilot-panet-panels-api-t.blog.venmo.comapiIn scope2026-11-14
pointercard-dev-api2-svcs-qa-us-westvip.blog.venmo.comapi, dev, testIn scope2026-11-14
pointofsale-api.blog.venmo.comapiIn scope2026-11-14
pointofsale-api-s.blog.venmo.comapiIn scope2026-11-14
posprivatevpn-atmgatevpn-api.blog.venmo.comapiIn scope2026-11-14
prod-api.blog.venmo.comapiIn scope2026-11-14
reportification-econt-door-dev-api.blog.venmo.comapi, devIn scope2026-11-14
reportinels-api.blog.venmo.comapiIn scope2026-11-14
resouth-posprivate-api.blog.venmo.comapiIn scope2026-11-14
sentin-mnbncovpn-api.blog.venmo.comapiIn scope2026-11-14
sents-qa-api.blog.venmo.comapi, testIn scope2026-11-14
slc-b-origin-cosmosprivate-api.blog.venmo.comapiIn scope2026-11-14
slc-b-origin-couponsul-prod-api.blog.venmo.comapiIn scope2026-11-14
vant-vpn-api.blog.venmo.comapi, vpnIn scope2026-11-14
webservices.blog.venmo.comapiIn scope2026-11-14
wells-api.blog.venmo.comapiIn 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.