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Bug bounty program

SL

Slack

Open on HackerOneAtlas
Platform
HackerOne
Bounties
Pays
Assets in scope
19
Disclosed reports
133
Subdomains
137,436
Vendor on CyberSIXT
Slack (3 CVEs, 0 exploited)

Most upvoted reports133

All reports
Most upvoted reports of Slack
ReportWeaknessDisclosedBountyVotes
Mass account takeovers using HTTP Request Smuggling on https://slackb.com/ to steal session cookiesAnalysed#737140Injection and Smuggling2020-03-12–870
Remote Code Execution in Slack desktop apps + bonusAnalysed#783877Command and Code Injection2020-08-28–509
XSS vulnerable parameter in a location hashAnalysed#146336Cross-site Scripting2019-10-16–455
URL link spoofingAnalysed#481472Input Validation and Logic2020-04-26$250362
TURN server allows TCP and UDP proxying to internal network, localhost and meta-data servicesAnalysed#333419Server-Side Request Forgery2020-03-12$3,500323
AWS bucket leading to iOS test build code and configuration exposureAnalysed#404822Information Disclosure2019-02-23$1,500321
Slack DTLS uses a private key that is in the public domain, which may lead to SRTP stream hijackAnalysed#531032Cryptography2020-03-12$2,000170
XSS in gist integrationAnalysed#11073Cross-site Scripting2019-04-28$500157
Unauthenticated LFI revealing log informationAnalysed#272578Information Disclosure2018-01-26–123
Stealing xoxs-tokens using weak postMessage / call-popup redirect to current team domainAnalysed#207170Misconfiguration and Insecure Design2017-02-28–120

Subdomains137,436

Root
Scope
Name suggests
First seen
Text file137,436 names
Subdomains of Slack
NameScopeFirst seen
demon.quip.comIn scope2026-11-14
demos.quip.comIn scope2026-11-14
www.demos.quip.comIn scope2026-11-14
demoshop.quip.comIn scope2026-11-14
demosite.quip.comIn scope2026-11-14
den.quip.comIn scope2026-11-14
deneb.quip.comIn scope2026-11-14
denebola.quip.comIn scope2026-11-14
deneme.quip.comIn scope2026-11-14
denis.quip.comIn scope2026-11-14
dennis.quip.comIn scope2026-11-14
dental.quip.comIn scope2026-11-14
www.dental.quip.comIn scope2026-11-14
dentist.quip.comIn scope2026-11-14
dentistry.quip.comIn scope2026-11-14
denver.quip.comIn scope2026-11-14
www.denver.quip.comIn scope2026-11-14
dep.quip.comIn scope2026-11-14
deploy.quip.comIn scope2026-11-14
depo.quip.comIn scope2026-11-14
deportes.quip.comIn scope2026-11-14
depot.quip.comIn scope2026-11-14
depot1.quip.comIn scope2026-11-14
depression.quip.comIn scope2026-11-14
dept.quip.comIn scope2026-11-14
derby.quip.comIn scope2026-11-14
derecho.quip.comIn scope2026-11-14
derek.quip.comIn scope2026-11-14
des.quip.comIn scope2026-11-14
desa.quip.comIn scope2026-11-14
descargas.quip.comIn scope2026-11-14
desert.quip.comIn scope2026-11-14
desi.quip.comIn scope2026-11-14
design.quip.comIn scope2026-11-14
autodiscover.design.quip.commailIn scope2026-11-14
webdisk.design.quip.comIn scope2026-11-14
www.design.quip.comIn scope2026-11-14
design2.quip.comIn scope2026-11-14
design3.quip.comIn scope2026-11-14
designer.quip.comIn scope2026-11-14
www.designer.quip.comIn scope2026-11-14
designershare.quip.comIn scope2026-11-14
designfd.quip.comIn scope2026-11-14
designs.quip.comIn scope2026-11-14
desire.quip.comIn scope2026-11-14
desk.quip.comIn scope2026-11-14
desktop.quip.comIn scope2026-11-14
desperado.quip.comIn scope2026-11-14
destek.quip.comIn scope2026-11-14
www.destek.quip.comIn scope2026-11-14
destiny.quip.comIn scope2026-11-14
desync.quip.comIn scope2026-11-14
det.quip.comIn scope2026-11-14
deti.quip.comIn scope2026-11-14
detox.quip.comIn scope2026-11-14
detroit.quip.comIn scope2026-11-14
deuce.quip.comIn scope2026-11-14
dev.quip.comdevIn scope2026-11-14
dev-admin.quip.comadmin, devIn scope2026-11-14
dev-api.quip.comapi, devIn scope2026-11-14
dev-perso-team.quip.comdevIn scope2026-11-14
dev-www.quip.comdevIn scope2026-11-14
admin.dev.quip.comadmin, devIn scope2026-11-14
api.dev.quip.comapi, devIn scope2026-11-14
autoconfig.dev.quip.comdevIn scope2026-11-14
autodiscover.dev.quip.comdev, mailIn scope2026-11-14
blogx.dev.quip.comdevIn scope2026-11-14
ftp.dev.quip.comdata, devIn scope2026-11-14
m.dev.quip.comdevIn scope2026-11-14
mail.dev.quip.comdev, mailIn scope2026-11-14
mobile.dev.quip.comdevIn scope2026-11-14
secure.dev.quip.comdevIn scope2026-11-14
webdisk.dev.quip.comdevIn scope2026-11-14
wiki.dev.quip.comdev, toolsIn scope2026-11-14
www.dev.quip.comdevIn scope2026-11-14
dev0.quip.comdevIn scope2026-11-14
dev01.quip.comdevIn scope2026-11-14
dev1.quip.comdevIn scope2026-11-14
dev10.quip.comdevIn scope2026-11-14
dev2.quip.comdevIn scope2026-11-14
autoconfig.dev2.quip.comdevIn scope2026-11-14
autodiscover.dev2.quip.comdev, mailIn scope2026-11-14
webdisk.dev2.quip.comdevIn scope2026-11-14
www.dev2.quip.comdevIn scope2026-11-14
dev3.quip.comdevIn scope2026-11-14
www.dev3.quip.comdevIn scope2026-11-14
dev4.quip.comdevIn scope2026-11-14
dev5.quip.comdevIn scope2026-11-14
dev6.quip.comdevIn scope2026-11-14
dev7.quip.comdevIn scope2026-11-14
deva.quip.comIn scope2026-11-14
devadmin.quip.comIn scope2026-11-14
devapi.quip.comIn scope2026-11-14
devblog.quip.comIn scope2026-11-14
devcms.quip.comIn scope2026-11-14
devdb.quip.comIn scope2026-11-14
deve.quip.comIn scope2026-11-14
devel.quip.comdevIn scope2026-11-14
www.devel.quip.comdevIn scope2026-11-14
devel2.quip.comdevIn scope2026-11-14

20,412 names are covered by the program's own scope; 7 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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