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Bug bounty program

RE

Reddit

Open on HackerOneAtlas
Platform
HackerOne
Bounties
Pays
Assets in scope
27
Disclosed reports
72
Subdomains
23,159
Vendor on CyberSIXT
Reddit (1 CVE, 0 exploited)

Most upvoted reports72

All reports
Most upvoted reports of Reddit
ReportWeaknessDisclosedBountyVotes
One-click account hijack for anyone using Apple sign-in with Reddit, due to response-type switch + leaking href to XSS on www.redditmedia.comAnalysed#1567186Access Control2022-08-02–509
[accounts.reddit.com] Redirect parameter allows for XSSAnalysed#1962645Cross-site Scripting2023-05-18$5,000394
Blind SSRF to internal services in matrix preview_link APIAnalysed#1960765Server-Side Request Forgery2023-04-26$6,000344
Exposed proxy allows to access internal reddit domainsAnalysed#2967634Access Control2025-02-24$7,500296
RichText parser vulnerability in scheduled posts allows XSSAnalysed#1930763Cross-site Scripting2023-04-20$5,000280
Deleting all DMs on RedditGifts.comAnalysed#1213237Insecure Direct Object Reference2021-10-21$5,000267
Infromation Disclosure To Use of Hard-coded Cryptographic Key#2353237Cryptography2024-02-06–238
XSS via Mod Log Removed PostsAnalysed#1504410Cross-site Scripting2022-03-10–218
IDOR allows an attacker to modify the links of any userAnalysed#1661113Insecure Direct Object Reference2022-09-30–208
Able to bypass email verification and change email to any other user emailAnalysed#1551176Access Control2022-05-06$5,000200

Subdomains23,159

Root
Scope
Name suggests
First seen
Text file23,159 names
Subdomains of Reddit
NameScopeFirst seen
brew.reddit.comIn scope2026-11-14
brewbarrymore.reddit.comIn scope2026-11-14
brewing.reddit.comIn scope2026-11-14
brian.reddit.comIn scope2026-11-14
brianaevigan.reddit.comIn scope2026-11-14
brickforce.reddit.comIn scope2026-11-14
bridge.reddit.comIn scope2026-11-14
www.bridge.reddit.comIn scope2026-11-14
brief.reddit.comIn scope2026-11-14
bright.reddit.comIn scope2026-11-14
brilliant.reddit.comIn scope2026-11-14
brink.reddit.comIn scope2026-11-14
brisbane.reddit.comIn scope2026-11-14
britney.reddit.comIn scope2026-11-14
britneyspears.reddit.comIn scope2026-11-14
broadcast.reddit.comIn scope2026-11-14
broadway.reddit.comIn scope2026-11-14
brocku.reddit.comIn scope2026-11-14
brokensword.reddit.comIn scope2026-11-14
broker.reddit.comIn scope2026-11-14
bronx.reddit.comIn scope2026-11-14
bronze.reddit.comIn scope2026-11-14
brooklyn.reddit.comIn scope2026-11-14
brother.reddit.comIn scope2026-11-14
brothers.reddit.comIn scope2026-11-14
brown.reddit.comIn scope2026-11-14
browns.reddit.comIn scope2026-11-14
browse.reddit.comIn scope2026-11-14
browser.reddit.comIn scope2026-11-14
brs.reddit.comIn scope2026-11-14
bru.reddit.comIn scope2026-11-14
bruce.reddit.comIn scope2026-11-14
bruno.reddit.comIn scope2026-11-14
brutus.reddit.comIn scope2026-11-14
bryan.reddit.comIn scope2026-11-14
bryansk.reddit.comIn scope2026-11-14
bs.reddit.comIn scope2026-11-14
bsa.reddit.comIn scope2026-11-14
bsc.reddit.comIn scope2026-11-14
bscw.reddit.comIn scope2026-11-14
bsd.reddit.comIn scope2026-11-14
bsd1.reddit.comIn scope2026-11-14
bsf.reddit.comIn scope2026-11-14
bsg.reddit.comIn scope2026-11-14
bsh.reddit.comIn scope2026-11-14
bsm.reddit.comIn scope2026-11-14
bss.reddit.comIn scope2026-11-14
bt.reddit.comIn scope2026-11-14
www.bt.reddit.comIn scope2026-11-14
btc.reddit.comIn scope2026-11-14
btp.reddit.comIn scope2026-11-14
bts.reddit.comIn scope2026-11-14
bu.reddit.comIn scope2026-11-14
bubba.reddit.comIn scope2026-11-14
bubble.reddit.comIn scope2026-11-14
bubbles.reddit.comIn scope2026-11-14
bubu.reddit.comIn scope2026-11-14
buck.reddit.comIn scope2026-11-14
budapest.reddit.comIn scope2026-11-14
buddha.reddit.comIn scope2026-11-14
buddhism.reddit.comIn scope2026-11-14
buddy.reddit.comIn scope2026-11-14
budget.reddit.comIn scope2026-11-14
budgetdecks.reddit.comIn scope2026-11-14
buecher.reddit.comIn scope2026-11-14
buffalo.reddit.comIn scope2026-11-14
bug.reddit.comIn scope2026-11-14
www.bug.reddit.comIn scope2026-11-14
bugatti.reddit.comIn scope2026-11-14
bugs.reddit.comIn scope2026-11-14
webdisk.bugs.reddit.comIn scope2026-11-14
bugtrack.reddit.comIn scope2026-11-14
bugtracker.reddit.comIn scope2026-11-14
bugzilla.reddit.comIn scope2026-11-14
build.reddit.comciIn scope2026-11-14
www.build.reddit.comciIn scope2026-11-14
buildapc.reddit.comIn scope2026-11-14
builder.reddit.comIn scope2026-11-14
building.reddit.comIn scope2026-11-14
bulgaria.reddit.comIn scope2026-11-14
bulk.reddit.comIn scope2026-11-14
www.bulk.reddit.comIn scope2026-11-14
bulkemail.reddit.comIn scope2026-11-14
bulkmail.reddit.comIn scope2026-11-14
bulksms.reddit.comIn scope2026-11-14
bull.reddit.comIn scope2026-11-14
bulldog.reddit.comIn scope2026-11-14
bullet.reddit.comIn scope2026-11-14
bulletin.reddit.comIn scope2026-11-14
bulten.reddit.comIn scope2026-11-14
bumblebee.reddit.comIn scope2026-11-14
bunker57.reddit.comIn scope2026-11-14
bunny.reddit.comIn scope2026-11-14
burbank.reddit.comIn scope2026-11-14
burkinafaso.reddit.comIn scope2026-11-14
burlingtonon.reddit.comIn scope2026-11-14
burn.reddit.comIn scope2026-11-14
burningman.reddit.comIn scope2026-11-14
burns.reddit.comIn scope2026-11-14
bursa.reddit.comIn scope2026-11-14

23,064 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