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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
chan.reddit.comIn scope2026-11-14
chance.reddit.comIn scope2026-11-14
chandler.reddit.comIn scope2026-11-14
chandra.reddit.comIn scope2026-11-14
change.reddit.comIn scope2026-11-14
changelog.reddit.comIn scope2026-11-14
changes.reddit.comIn scope2026-11-14
channel.reddit.comIn scope2026-11-14
channels.reddit.comIn scope2026-11-14
chantal.reddit.comIn scope2026-11-14
chaos.reddit.comIn scope2026-11-14
chaotic.reddit.comIn scope2026-11-14
chaplin.reddit.comIn scope2026-11-14
charcuterie.reddit.comIn scope2026-11-14
charge.reddit.comIn scope2026-11-14
www.charge.reddit.comIn scope2026-11-14
charger.reddit.comIn scope2026-11-14
charity.reddit.comIn scope2026-11-14
charles.reddit.comIn scope2026-11-14
charleston.reddit.comIn scope2026-11-14
charlie.reddit.comIn scope2026-11-14
charlotte.reddit.comIn scope2026-11-14
charm.reddit.comIn scope2026-11-14
charmed.reddit.comIn scope2026-11-14
charon.reddit.comIn scope2026-11-14
charts.reddit.comIn scope2026-11-14
chase.reddit.comIn scope2026-11-14
chat.reddit.comIn scope2026-11-14
autoconfig.chat.reddit.comIn scope2026-11-14
autodiscover.chat.reddit.commailIn scope2026-11-14
webdisk.chat.reddit.comIn scope2026-11-14
www.chat.reddit.comIn scope2026-11-14
chat1.reddit.comIn scope2026-11-14
chat2.reddit.comIn scope2026-11-14
chat4.reddit.comIn scope2026-11-14
chatbox.reddit.comIn scope2026-11-14
chatter.reddit.comIn scope2026-11-14
chatting.reddit.comIn scope2026-11-14
che.reddit.comIn scope2026-11-14
www.che.reddit.comIn scope2026-11-14
cheap.reddit.comIn scope2026-11-14
cheboksary.reddit.comIn scope2026-11-14
check.reddit.comIn scope2026-11-14
checkmate.reddit.comIn scope2026-11-14
checkout.reddit.comIn scope2026-11-14
checkpoint.reddit.comIn scope2026-11-14
checkrelay.reddit.comIn scope2026-11-14
checksrv.reddit.comIn scope2026-11-14
cheers.reddit.comIn scope2026-11-14
cheese.reddit.comIn scope2026-11-14
cheetah.reddit.comIn scope2026-11-14
chef.reddit.comIn scope2026-11-14
www.chef.reddit.comIn scope2026-11-14
chel.reddit.comIn scope2026-11-14
chelsea.reddit.comIn scope2026-11-14
chelyabinsk.reddit.comIn scope2026-11-14
www.chelyabinsk.reddit.comIn scope2026-11-14
chem.reddit.comIn scope2026-11-14
www.chem.reddit.comIn scope2026-11-14
chemie.reddit.comIn scope2026-11-14
chemistry.reddit.comIn scope2026-11-14
chen.reddit.comIn scope2026-11-14
chennai.reddit.comIn scope2026-11-14
cherlloyd.reddit.comIn scope2026-11-14
cherokee.reddit.comIn scope2026-11-14
cherry.reddit.comIn scope2026-11-14
chess.reddit.comIn scope2026-11-14
chester.reddit.comIn scope2026-11-14
chetan.reddit.comIn scope2026-11-14
chevrolet.reddit.comIn scope2026-11-14
www.chevrolet.reddit.comIn scope2026-11-14
chevy.reddit.comIn scope2026-11-14
chewbacca.reddit.comIn scope2026-11-14
chewie.reddit.comIn scope2026-11-14
cheyenne.reddit.comIn scope2026-11-14
chi.reddit.comIn scope2026-11-14
chiba.reddit.comIn scope2026-11-14
chicago.reddit.comIn scope2026-11-14
chicagobulls.reddit.comIn scope2026-11-14
chicagomeetup.reddit.comIn scope2026-11-14
chicco.reddit.comIn scope2026-11-14
chicken.reddit.comIn scope2026-11-14
chicoca.reddit.comIn scope2026-11-14
chicubs.reddit.comIn scope2026-11-14
chief.reddit.comIn scope2026-11-14
chihiro.reddit.comIn scope2026-11-14
child.reddit.comIn scope2026-11-14
children.reddit.comIn scope2026-11-14
chile.reddit.comIn scope2026-11-14
chili.reddit.comIn scope2026-11-14
chill.reddit.comIn scope2026-11-14
chillax.reddit.comIn scope2026-11-14
chilli.reddit.comIn scope2026-11-14
chimera.reddit.comIn scope2026-11-14
chin.reddit.comIn scope2026-11-14
china.reddit.comIn scope2026-11-14
www.china.reddit.comIn scope2026-11-14
chinese.reddit.comIn scope2026-11-14
www.chinese.reddit.comIn scope2026-11-14
chip.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