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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
caspic.twitter.comIn scope2026-11-14
cassmpic.twitter.comIn scope2026-11-14
catapultpic.twitter.comIn scope2026-11-14
categorypic.twitter.comIn scope2026-11-14
cathykubiakpic.twitter.comIn scope2026-11-14
catpic.twitter.comIn scope2026-11-14
cats.twitter.comIn scope2026-11-14
catspic.twitter.comIn scope2026-11-14
caturdaypic.twitter.comIn scope2026-11-14
caucuspic.twitter.comIn scope2026-11-14
causepic.twitter.comIn scope2026-11-14
caution-www.twitter.comIn scope2026-11-14
cautionpic.twitter.comIn scope2026-11-14
cbi2017pic.twitter.comIn scope2026-11-14
cbinsightspic.twitter.comIn scope2026-11-14
cbitweetspic.twitter.comIn scope2026-11-14
cbslapic.twitter.comIn scope2026-11-14
cctvpic.twitter.comIn scope2026-11-14
cdn.twitter.comIn scope2026-11-14
preview.cdn.twitter.comstagingIn scope2026-11-14
preview-0.cdn.twitter.comstagingIn scope2026-11-14
preview-dev.cdn.twitter.comdev, stagingIn scope2026-11-14
preview-stage.cdn.twitter.comstagingIn scope2026-11-14
cdn1.twitter.comIn scope2026-11-14
cdouvospic.twitter.comIn scope2026-11-14
cebit2017pic.twitter.comIn scope2026-11-14
cedec2017pic.twitter.comIn scope2026-11-14
cedec20pic.twitter.comIn scope2026-11-14
cee16pic.twitter.comIn scope2026-11-14
cee17pic.twitter.comIn scope2026-11-14
celebratingpic.twitter.comIn scope2026-11-14
celentepic.twitter.comIn scope2026-11-14
celeroconf2016pic.twitter.comIn scope2026-11-14
celeropic.twitter.comIn scope2026-11-14
celinemzrspic.twitter.comIn scope2026-11-14
censoredpic.twitter.comIn scope2026-11-14
center-rightpic.twitter.comIn scope2026-11-14
centerpic.twitter.comIn scope2026-11-14
centralbankspic.twitter.comIn scope2026-11-14
centricdigitalpic.twitter.comIn scope2026-11-14
centurypic.twitter.comIn scope2026-11-14
ceopic.twitter.comIn scope2026-11-14
ceredigionmanpic.twitter.comIn scope2026-11-14
cert.twitter.comIn scope2026-11-14
ces.twitter.comIn scope2026-11-14
ces2017pic.twitter.comIn scope2026-11-14
cf.twitter.comIn scope2026-11-14
cfl.twitter.comIn scope2026-11-14
cfsinnovationpic.twitter.comIn scope2026-11-14
cftcpic.twitter.comIn scope2026-11-14
cgfkindnesspic.twitter.comIn scope2026-11-14
cgledhillpic.twitter.comIn scope2026-11-14
chabadpic.twitter.comIn scope2026-11-14
chain-financepic.twitter.comIn scope2026-11-14
chainmigrationpic.twitter.comIn scope2026-11-14
chairspic.twitter.comIn scope2026-11-14
challengepic.twitter.comIn scope2026-11-14
challengerbankpic.twitter.comIn scope2026-11-14
challengerbankspic.twitter.comIn scope2026-11-14
challengespic.twitter.comIn scope2026-11-14
chamberdigitalpic.twitter.comIn scope2026-11-14
champagnepic.twitter.comIn scope2026-11-14
champapic.twitter.comIn scope2026-11-14
championspic.twitter.comIn scope2026-11-14
chancellortimepic.twitter.comIn scope2026-11-14
changebyucospic.twitter.comIn scope2026-11-14
changedpic.twitter.comIn scope2026-11-14
changepic.twitter.comIn scope2026-11-14
changespic.twitter.comIn scope2026-11-14
channelpic.twitter.comIn scope2026-11-14
chaosisaladderpic.twitter.comIn scope2026-11-14
chapplecommsrecpic.twitter.comIn scope2026-11-14
characteristicspic.twitter.comIn scope2026-11-14
characterpic.twitter.comIn scope2026-11-14
chargepic.twitter.comIn scope2026-11-14
chargespic.twitter.comIn scope2026-11-14
charitiespic.twitter.comIn scope2026-11-14
charitypic.twitter.comIn scope2026-11-14
charlesbukowskipic.twitter.comIn scope2026-11-14
charleshamerlepic.twitter.comIn scope2026-11-14
charliebilellopic.twitter.comIn scope2026-11-14
charlieshrempic.twitter.comIn scope2026-11-14
charlottesville.twitter.comIn scope2026-11-14
chartpic.twitter.comIn scope2026-11-14
chartspic.twitter.comIn scope2026-11-14
chasepic.twitter.comIn scope2026-11-14
chatbotpic.twitter.comIn scope2026-11-14
chatbotspic.twitter.comIn scope2026-11-14
chboursinpic.twitter.comIn scope2026-11-14
chearspic.twitter.comIn scope2026-11-14
checkpic.twitter.comIn scope2026-11-14
checkspic.twitter.comIn scope2026-11-14
cheddar.twitter.comIn scope2026-11-14
cheerpic.twitter.comIn scope2026-11-14
cheerspic.twitter.comIn scope2026-11-14
chesspic.twitter.comIn scope2026-11-14
chestpic.twitter.comIn scope2026-11-14
chewingstonespic.twitter.comIn scope2026-11-14
chfpic.twitter.comIn scope2026-11-14
audubon.chi1.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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Updated