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Bug bounty program

XX

X / xAI

Open on HackerOneAtlas
Platform
HackerOne
Bounties
Pays
Assets in scope
23
Disclosed reports
248
Subdomains
10,596

Most upvoted reports248

All reports
Most upvoted reports of X / xAI
ReportWeaknessDisclosedBountyVotes
Potential pre-auth RCE on Twitter VPNAnalysed#591295Command and Code Injection2019-08-10$20,1601,246
Bypassing Digits origin validation which leads to account takeoverAnalysed#129873Authentication2020-06-24–619
CRLF injectionAnalysed#446271No weakness recorded2019-12-25–439
Read-only application can publish/delete fleetsAnalysed#1032468Access Control2021-01-04–398
Blind XSS on Twitter's internal Big Data panel at █████████████Analysed#1207040Cross-site Scripting2021-07-09–357
Private list members disclosure via GraphQLAnalysed#885539Access Control2020-08-04–346
[Urgent] Invalidating OAuth2 Bearer token makes TweetDeck unavailableAnalysed#210779Denial of Service2019-04-25–323
Bypass Password Authentication for updating email and phone number - Security VulnerabilityAnalysed#770504Authentication2020-02-08–288
Insufficient OAuth callback validation which leads to Periscope account takeoverAnalysed#110293Authentication2019-04-10–277
Insufficient validation on Digits bridgeAnalysed#168116Authentication2020-08-20–263

Subdomains10,596

Root
Scope
Name suggests
First seen
Text file10,596 names
Subdomains of X / xAI
NameScopeFirst seen
fashionweek.twitter.comIn scope2026-11-14
fashionweekmi.twitter.comIn scope2026-11-14
fastcompanypic.twitter.comIn scope2026-11-14
fastpic.twitter.comIn scope2026-11-14
faststreamukpic.twitter.comIn scope2026-11-14
fatfingerpic.twitter.comIn scope2026-11-14
fatherpic.twitter.comIn scope2026-11-14
fatpic.twitter.comIn scope2026-11-14
favepic.twitter.comIn scope2026-11-14
fb-staging.twitter.comstagingIn scope2026-11-14
fbforumpic.twitter.comIn scope2026-11-14
fbpic.twitter.comIn scope2026-11-14
fbuschool19pic.twitter.comIn scope2026-11-14
fc3pic.twitter.comIn scope2026-11-14
fcoherrera.twitter.comIn scope2026-11-14
fctpic.twitter.comIn scope2026-11-14
fdicpic.twitter.comIn scope2026-11-14
fearspic.twitter.comIn scope2026-11-14
feastpic.twitter.comIn scope2026-11-14
featpic.twitter.comIn scope2026-11-14
featurespic.twitter.comIn scope2026-11-14
februarypic.twitter.comIn scope2026-11-14
fedminutespic.twitter.comIn scope2026-11-14
fedpic.twitter.comIn scope2026-11-14
feedbackpic.twitter.comIn scope2026-11-14
feedpic.twitter.comIn scope2026-11-14
feedzaipic.twitter.comIn scope2026-11-14
feelingfortunatepic.twitter.comIn scope2026-11-14
feelthebernpic.twitter.comIn scope2026-11-14
feespic.twitter.comIn scope2026-11-14
feetpic.twitter.comIn scope2026-11-14
feganpic.twitter.comIn scope2026-11-14
feldmanpic.twitter.comIn scope2026-11-14
fellpic.twitter.comIn scope2026-11-14
femacamppic.twitter.comIn scope2026-11-14
femaleentrepreneurspic.twitter.comIn scope2026-11-14
femalefounderspic.twitter.comIn scope2026-11-14
femtechleaderspic.twitter.comIn scope2026-11-14
femtechpic.twitter.comIn scope2026-11-14
fenwaypic.twitter.comIn scope2026-11-14
feralamillopic.twitter.comIn scope2026-11-14
festiveseasonpic.twitter.comIn scope2026-11-14
feweekaac17pic.twitter.comIn scope2026-11-14
ff17pic.twitter.comIn scope2026-11-14
ffpic.twitter.comIn scope2026-11-14
ffvegaspic.twitter.comIn scope2026-11-14
fiatpic.twitter.comIn scope2026-11-14
ficopic.twitter.comIn scope2026-11-14
fieldworkerfridaypic.twitter.comIn scope2026-11-14
fifthharmony.twitter.comIn scope2026-11-14
fightpic.twitter.comIn scope2026-11-14
figurepic.twitter.comIn scope2026-11-14
figurespic.twitter.comIn scope2026-11-14
fijipic.twitter.comIn scope2026-11-14
filialenpic.twitter.comIn scope2026-11-14
filmpic.twitter.comIn scope2026-11-14
fin24pic.twitter.comIn scope2026-11-14
finaclepic.twitter.comIn scope2026-11-14
ruiyangl.final-test-staging.twitter.comstaging, testIn scope2026-11-14
finance20chpic.twitter.comIn scope2026-11-14
financeforallpic.twitter.comIn scope2026-11-14
financepic.twitter.comIn scope2026-11-14
financialbrandpic.twitter.comIn scope2026-11-14
financialinclusionpic.twitter.comIn scope2026-11-14
financialservicespic.twitter.comIn scope2026-11-14
financialtimespic.twitter.comIn scope2026-11-14
financialtomorrowpic.twitter.comIn scope2026-11-14
finanzbranchepic.twitter.comIn scope2026-11-14
finanzdienstleisterpic.twitter.comIn scope2026-11-14
finanzdienstleistungpic.twitter.comIn scope2026-11-14
finanzinstitutepic.twitter.comIn scope2026-11-14
finanzinstitutpic.twitter.comIn scope2026-11-14
finechpic.twitter.comIn scope2026-11-14
finextrapic.twitter.comIn scope2026-11-14
finhealthmatterspic.twitter.comIn scope2026-11-14
finlandpic.twitter.comIn scope2026-11-14
finmktgpic.twitter.comIn scope2026-11-14
finnodaypic.twitter.comIn scope2026-11-14
finntekkerspic.twitter.comIn scope2026-11-14
finovate2018pic.twitter.comIn scope2026-11-14
finovateeuropepic.twitter.comIn scope2026-11-14
finovatepic.twitter.comIn scope2026-11-14
finpayirlpic.twitter.comIn scope2026-11-14
finservpic.twitter.comIn scope2026-11-14
finsum17pic.twitter.comIn scope2026-11-14
fintanmaguirepic.twitter.comIn scope2026-11-14
fintech20irelandpic.twitter.comIn scope2026-11-14
fintech50pic.twitter.comIn scope2026-11-14
fintechapacpic.twitter.comIn scope2026-11-14
fintechbookpic.twitter.comIn scope2026-11-14
fintechbotpic.twitter.comIn scope2026-11-14
fintechchpic.twitter.comIn scope2026-11-14
fintechcirclepic.twitter.comIn scope2026-11-14
fintechexperiencepic.twitter.comIn scope2026-11-14
fintechfpic.twitter.comIn scope2026-11-14
fintechhkpic.twitter.comIn scope2026-11-14
fintechinsiderlivepic.twitter.comIn scope2026-11-14
fintechinsiderspic.twitter.comIn scope2026-11-14
fintechirelandpic.twitter.comIn scope2026-11-14
fintechlabldnpic.twitter.comIn scope2026-11-14

10,296 names are covered by the program's own scope; 0 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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