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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
bedroom.reddit.comIn scope2026-11-14
bee.reddit.comIn scope2026-11-14
beehive.reddit.comIn scope2026-11-14
beekeeping.reddit.comIn scope2026-11-14
beeline.reddit.comIn scope2026-11-14
beer.reddit.comIn scope2026-11-14
beerporn.reddit.comIn scope2026-11-14
beethoven.reddit.comIn scope2026-11-14
beheer.reddit.comIn scope2026-11-14
behzad.reddit.comIn scope2026-11-14
beijing.reddit.comIn scope2026-11-14
belarus.reddit.comIn scope2026-11-14
belgorod.reddit.comIn scope2026-11-14
belize.reddit.comIn scope2026-11-14
belka.reddit.comIn scope2026-11-14
bell.reddit.comIn scope2026-11-14
bella.reddit.comIn scope2026-11-14
bellatrix.reddit.comIn scope2026-11-14
belle.reddit.comIn scope2026-11-14
bells.reddit.comIn scope2026-11-14
bem.reddit.comIn scope2026-11-14
ben.reddit.comIn scope2026-11-14
www.ben.reddit.comIn scope2026-11-14
ben10.reddit.comIn scope2026-11-14
benchmark.reddit.comIn scope2026-11-14
bender.reddit.comIn scope2026-11-14
benefits.reddit.comIn scope2026-11-14
benin.reddit.comIn scope2026-11-14
benjamin.reddit.comIn scope2026-11-14
benny.reddit.comIn scope2026-11-14
beny.reddit.comIn scope2026-11-14
benz.reddit.comIn scope2026-11-14
berlin.reddit.comIn scope2026-11-14
berry.reddit.comIn scope2026-11-14
bert.reddit.comIn scope2026-11-14
beryl.reddit.comIn scope2026-11-14
bes.reddit.comIn scope2026-11-14
best.reddit.comIn scope2026-11-14
www.best.reddit.comIn scope2026-11-14
bestcar.reddit.comIn scope2026-11-14
bestcodecs.reddit.comIn scope2026-11-14
bestdeal.reddit.comIn scope2026-11-14
bestdigitalcodecs.reddit.comIn scope2026-11-14
bestfreecodecs.reddit.comIn scope2026-11-14
bestlivecodecs.reddit.comIn scope2026-11-14
bestmediacodecs.reddit.comIn scope2026-11-14
bestmediafile.reddit.comIn scope2026-11-14
bestmediafileinc.reddit.comIn scope2026-11-14
bestmediafiles.reddit.comIn scope2026-11-14
bestmediafilesinc.reddit.comIn scope2026-11-14
bestnewcodecs.reddit.comIn scope2026-11-14
bestof.reddit.comIn scope2026-11-14
bestof2033.reddit.comIn scope2026-11-14
bestseller.reddit.comIn scope2026-11-14
bestthiscodecs.reddit.comIn scope2026-11-14
bestway.reddit.comIn scope2026-11-14
bet.reddit.comIn scope2026-11-14
beta.reddit.comstagingIn scope2026-11-14
autoconfig.beta.reddit.comstagingIn scope2026-11-14
autodiscover.beta.reddit.commail, stagingIn scope2026-11-14
m.beta.reddit.comstagingIn scope2026-11-14
webdisk.beta.reddit.comstagingIn scope2026-11-14
www.beta.reddit.comstagingIn scope2026-11-14
beta1.reddit.comstagingIn scope2026-11-14
beta2.reddit.comstagingIn scope2026-11-14
beta3.reddit.comstagingIn scope2026-11-14
beta4.reddit.comstagingIn scope2026-11-14
betaa.reddit.comIn scope2026-11-14
betablog.reddit.comIn scope2026-11-14
betav2.reddit.comIn scope2026-11-14
beth.reddit.comIn scope2026-11-14
bettertouchtool.reddit.comIn scope2026-11-14
bettiepage.reddit.comIn scope2026-11-14
betty.reddit.comIn scope2026-11-14
bewerbung.reddit.comIn scope2026-11-14
beyond.reddit.comIn scope2026-11-14
bf.reddit.comIn scope2026-11-14
bfbc2au.reddit.comIn scope2026-11-14
bfm.reddit.comIn scope2026-11-14
bg.reddit.comIn scope2026-11-14
www.bg.reddit.comIn scope2026-11-14
bgp.reddit.comIn scope2026-11-14
bgr01swd.reddit.comIn scope2026-11-14
bgs.reddit.comIn scope2026-11-14
bh.reddit.comIn scope2026-11-14
bhc.reddit.comIn scope2026-11-14
bhm.reddit.comIn scope2026-11-14
bi.reddit.comIn scope2026-11-14
www.bi.reddit.comIn scope2026-11-14
bia.reddit.comIn scope2026-11-14
biafra.reddit.comIn scope2026-11-14
bianca.reddit.comIn scope2026-11-14
bib.reddit.comIn scope2026-11-14
bible.reddit.comIn scope2026-11-14
biblicalarchaeology.reddit.comIn scope2026-11-14
biblio.reddit.comIn scope2026-11-14
biblioteca.reddit.comIn scope2026-11-14
www.biblioteca.reddit.comIn scope2026-11-14
biblioteka.reddit.comIn scope2026-11-14
bibliotheque.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