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Bug bounty program

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

Subdomains of Reddit
NameScopeFirst seen
www.barnaul.reddit.comIn scope2026-11-14
barney.reddit.comIn scope2026-11-14
baron.reddit.comIn scope2026-11-14
barra.reddit.comIn scope2026-11-14
barracuda.reddit.comIn scope2026-11-14
barracuda1.reddit.comIn scope2026-11-14
barracuda2.reddit.comIn scope2026-11-14
barrie.reddit.comIn scope2026-11-14
barry.reddit.comIn scope2026-11-14
barryonenergy.reddit.comIn scope2026-11-14
bars.reddit.comIn scope2026-11-14
bart.reddit.comIn scope2026-11-14
barton.reddit.comIn scope2026-11-14
bas.reddit.comIn scope2026-11-14
base.reddit.comIn scope2026-11-14
www.base.reddit.comIn scope2026-11-14
base1.reddit.comIn scope2026-11-14
base2.reddit.comIn scope2026-11-14
baseball.reddit.comIn scope2026-11-14
basedguido.reddit.comIn scope2026-11-14
basel.reddit.comIn scope2026-11-14
basementboardgames.reddit.comIn scope2026-11-14
bash.reddit.comIn scope2026-11-14
basic.reddit.comIn scope2026-11-14
basic-nodejs-dev.reddit.comdevIn scope2026-11-14
basij.reddit.comIn scope2026-11-14
basil.reddit.comIn scope2026-11-14
basket.reddit.comIn scope2026-11-14
basketball.reddit.comIn scope2026-11-14
bass.reddit.comIn scope2026-11-14
basstabs.reddit.comIn scope2026-11-14
bastion.reddit.comIn scope2026-11-14
bat.reddit.comIn scope2026-11-14
batch.reddit.comIn scope2026-11-14
batman.reddit.comIn scope2026-11-14
battle.reddit.comIn scope2026-11-14
battlefield4.reddit.comIn scope2026-11-14
battlereports.reddit.comIn scope2026-11-14
battlestations.reddit.comIn scope2026-11-14
bauer.reddit.comIn scope2026-11-14
bauhaus.reddit.comIn scope2026-11-14
bay.reddit.comIn scope2026-11-14
bayarea.reddit.comIn scope2026-11-14
bayern.reddit.comIn scope2026-11-14
baza.reddit.comIn scope2026-11-14
bazaar.reddit.comIn scope2026-11-14
bazar.reddit.comIn scope2026-11-14
bb.reddit.comIn scope2026-11-14
www.bb.reddit.comIn scope2026-11-14
bb1.reddit.comIn scope2026-11-14
bba.reddit.comIn scope2026-11-14
bbb.reddit.comIn scope2026-11-14
bbc.reddit.comIn scope2026-11-14
bbm.reddit.comIn scope2026-11-14
bbq.reddit.comIn scope2026-11-14
bbs.reddit.comIn scope2026-11-14
bbs-coronavirusca.reddit.comIn scope2026-11-14
coronavirus.bbs.reddit.comIn scope2026-11-14
www.bbs.reddit.comIn scope2026-11-14
bbs1.reddit.comIn scope2026-11-14
bbs2.reddit.comIn scope2026-11-14
bbscovid19.reddit.comIn scope2026-11-14
bbsgirlsuncovered.reddit.comIn scope2026-11-14
bbss.reddit.comIn scope2026-11-14
bbt.reddit.comIn scope2026-11-14
bbtest.reddit.comIn scope2026-11-14
bc.reddit.comIn scope2026-11-14
bc-india-1-2.reddit.comIn scope2026-11-14
www.bc.reddit.comIn scope2026-11-14
bc1.reddit.comIn scope2026-11-14
bc40c8f404d57.reddit.comIn scope2026-11-14
bca.reddit.comIn scope2026-11-14
bcc.reddit.comIn scope2026-11-14
bck.reddit.comIn scope2026-11-14
bcm.reddit.comIn scope2026-11-14
bcp.reddit.comIn scope2026-11-14
bcs.reddit.comIn scope2026-11-14
bd.reddit.comIn scope2026-11-14
www.bd.reddit.comIn scope2026-11-14
bdc.reddit.comIn scope2026-11-14
bdog.reddit.comIn scope2026-11-14
bds.reddit.comIn scope2026-11-14
bdsm.reddit.comIn scope2026-11-14
be.reddit.comIn scope2026-11-14
bea.reddit.comIn scope2026-11-14
beach.reddit.comIn scope2026-11-14
beacon.reddit.comIn scope2026-11-14
beagle.reddit.comIn scope2026-11-14
beaker.reddit.comIn scope2026-11-14
beam.reddit.comIn scope2026-11-14
bean.reddit.comIn scope2026-11-14
bear.reddit.comIn scope2026-11-14
beast.reddit.comIn scope2026-11-14
beatles.reddit.comIn scope2026-11-14
beatrice.reddit.comIn scope2026-11-14
beautiful.reddit.comIn scope2026-11-14
beauty.reddit.comIn scope2026-11-14
www.beauty.reddit.comIn scope2026-11-14
beauxbatons.reddit.comIn scope2026-11-14
bebe.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.