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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
baby.reddit.comIn scope2026-11-14
www.baby.reddit.comIn scope2026-11-14
babyface.reddit.comIn scope2026-11-14
babylon.reddit.comIn scope2026-11-14
bac.reddit.comIn scope2026-11-14
bacchus.reddit.comIn scope2026-11-14
bach.reddit.comIn scope2026-11-14
back.reddit.comIn scope2026-11-14
back2.reddit.comIn scope2026-11-14
backbone.reddit.comIn scope2026-11-14
chelyabinsk-rnoc-rr02.backbone.reddit.comIn scope2026-11-14
backend.reddit.comIn scope2026-11-14
backendingcoronavirusca.reddit.comIn scope2026-11-14
backlink.reddit.comIn scope2026-11-14
backlinks.reddit.comIn scope2026-11-14
backoffice.reddit.comadminIn scope2026-11-14
backpack.reddit.comIn scope2026-11-14
backstage.reddit.comIn scope2026-11-14
backup.reddit.comdataIn scope2026-11-14
www.backup.reddit.comdataIn scope2026-11-14
backup01.reddit.comdataIn scope2026-11-14
backup02.reddit.comdataIn scope2026-11-14
backup1.reddit.comdataIn scope2026-11-14
backup2.reddit.comdataIn scope2026-11-14
backup3.reddit.comdataIn scope2026-11-14
backup4.reddit.comdataIn scope2026-11-14
backup5.reddit.comdataIn scope2026-11-14
backup6.reddit.comdataIn scope2026-11-14
backupmx.reddit.comIn scope2026-11-14
backups.reddit.comdataIn scope2026-11-14
backupserver.reddit.comIn scope2026-11-14
backyard.reddit.comIn scope2026-11-14
baco.reddit.comIn scope2026-11-14
bacon.reddit.comIn scope2026-11-14
baconandboners.reddit.comIn scope2026-11-14
bacula.reddit.comIn scope2026-11-14
bad.reddit.comIn scope2026-11-14
bada.reddit.comIn scope2026-11-14
badboy.reddit.comIn scope2026-11-14
badger.reddit.comIn scope2026-11-14
badhistory.reddit.comIn scope2026-11-14
badthoughts.reddit.comIn scope2026-11-14
bae.reddit.comIn scope2026-11-14
baghdad.reddit.comIn scope2026-11-14
baikal.reddit.comIn scope2026-11-14
bailey.reddit.comIn scope2026-11-14
baito.reddit.comIn scope2026-11-14
bak.reddit.comlegacyIn scope2026-11-14
bak7.reddit.comlegacyIn scope2026-11-14
baker.reddit.comIn scope2026-11-14
baki.reddit.comIn scope2026-11-14
baking.reddit.comIn scope2026-11-14
baku.reddit.comIn scope2026-11-14
bakugan.reddit.comIn scope2026-11-14
bakugantcg.reddit.comIn scope2026-11-14
balance.reddit.comIn scope2026-11-14
balancer.reddit.comIn scope2026-11-14
balder.reddit.comIn scope2026-11-14
bali.reddit.comIn scope2026-11-14
www.bali.reddit.comIn scope2026-11-14
baloo.reddit.comIn scope2026-11-14
baltimore.reddit.comIn scope2026-11-14
bam.reddit.comIn scope2026-11-14
bambi.reddit.comIn scope2026-11-14
bambino.reddit.comIn scope2026-11-14
bamboo.reddit.comciIn scope2026-11-14
ban.reddit.comIn scope2026-11-14
banana.reddit.comIn scope2026-11-14
bancuri.reddit.comIn scope2026-11-14
www.bancuri.reddit.comIn scope2026-11-14
bandar.reddit.comIn scope2026-11-14
bandung.reddit.comIn scope2026-11-14
bandwidth.reddit.comIn scope2026-11-14
bane.reddit.comIn scope2026-11-14
bang.reddit.comIn scope2026-11-14
bangbang.reddit.comIn scope2026-11-14
bangbros.reddit.comIn scope2026-11-14
bangkok.reddit.comIn scope2026-11-14
bank.reddit.comIn scope2026-11-14
www.bank.reddit.comIn scope2026-11-14
banner.reddit.comIn scope2026-11-14
www.banner.reddit.comIn scope2026-11-14
banner2.reddit.comIn scope2026-11-14
banners.reddit.comIn scope2026-11-14
www.banners.reddit.comIn scope2026-11-14
baobab.reddit.comIn scope2026-11-14
baobao.reddit.comIn scope2026-11-14
bap.reddit.comIn scope2026-11-14
bapcsalescanada.reddit.comIn scope2026-11-14
bappeda.reddit.comIn scope2026-11-14
bar.reddit.comIn scope2026-11-14
bara.reddit.comIn scope2026-11-14
baran.reddit.comIn scope2026-11-14
barbados.reddit.comIn scope2026-11-14
barbara.reddit.comIn scope2026-11-14
barca.reddit.comIn scope2026-11-14
barcelona.reddit.comIn scope2026-11-14
barcode.reddit.comIn scope2026-11-14
barlow.reddit.comIn scope2026-11-14
barnaul.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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