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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
carpenter.reddit.comIn scope2026-11-14
carporn.reddit.comIn scope2026-11-14
carrie.reddit.comIn scope2026-11-14
carrier.reddit.comIn scope2026-11-14
cars.reddit.comIn scope2026-11-14
www.cars.reddit.comIn scope2026-11-14
cart.reddit.comIn scope2026-11-14
www.cart.reddit.comIn scope2026-11-14
carter.reddit.comIn scope2026-11-14
cartman.reddit.comIn scope2026-11-14
cartoon.reddit.comIn scope2026-11-14
cas.reddit.comauthIn scope2026-11-14
cas1.reddit.comauthIn scope2026-11-14
cas2.reddit.comauthIn scope2026-11-14
cas3.reddit.comauthIn scope2026-11-14
casa.reddit.comIn scope2026-11-14
www.casa.reddit.comIn scope2026-11-14
casanova.reddit.comIn scope2026-11-14
casas.reddit.comIn scope2026-11-14
cascadia.reddit.comIn scope2026-11-14
case.reddit.comIn scope2026-11-14
cash.reddit.comIn scope2026-11-14
cashing.reddit.comIn scope2026-11-14
casino.reddit.comIn scope2026-11-14
www.casino.reddit.comIn scope2026-11-14
casper.reddit.comIn scope2026-11-14
cassini.reddit.comIn scope2026-11-14
cassiopeia.reddit.comIn scope2026-11-14
cast.reddit.comIn scope2026-11-14
casting.reddit.comIn scope2026-11-14
castle.reddit.comIn scope2026-11-14
castor.reddit.comIn scope2026-11-14
casualconversation.reddit.comIn scope2026-11-14
casualmtg.reddit.comIn scope2026-11-14
cat.reddit.comIn scope2026-11-14
www.cat.reddit.comIn scope2026-11-14
catalog.reddit.comIn scope2026-11-14
www.catalog.reddit.comIn scope2026-11-14
catalogo.reddit.comIn scope2026-11-14
catalogs.reddit.comIn scope2026-11-14
catalogue.reddit.comIn scope2026-11-14
catalyst.reddit.comIn scope2026-11-14
catbrah.reddit.comIn scope2026-11-14
catering.reddit.comIn scope2026-11-14
catfish.reddit.comIn scope2026-11-14
cathy.reddit.comIn scope2026-11-14
cats.reddit.comIn scope2026-11-14
www.cats.reddit.comIn scope2026-11-14
cb.reddit.comIn scope2026-11-14
cbc.reddit.comIn scope2026-11-14
cbf1.reddit.comIn scope2026-11-14
cbf2.reddit.comIn scope2026-11-14
cbf3.reddit.comIn scope2026-11-14
cbf4.reddit.comIn scope2026-11-14
cbf5.reddit.comIn scope2026-11-14
cbf7.reddit.comIn scope2026-11-14
cbf8.reddit.comIn scope2026-11-14
cbr.reddit.comIn scope2026-11-14
cbs.reddit.comIn scope2026-11-14
cbt.reddit.comIn scope2026-11-14
cc.reddit.comIn scope2026-11-14
www.cc.reddit.comIn scope2026-11-14
cc1.reddit.comIn scope2026-11-14
cc2.reddit.comIn scope2026-11-14
cca.reddit.comIn scope2026-11-14
ccb.reddit.comIn scope2026-11-14
ccc.reddit.comIn scope2026-11-14
ccd.reddit.comIn scope2026-11-14
cch.reddit.comIn scope2026-11-14
cci.reddit.comIn scope2026-11-14
ccl.reddit.comIn scope2026-11-14
ccm.reddit.comIn scope2026-11-14
ccna.reddit.comIn scope2026-11-14
ccomputer-virus-verwijderen.reddit.comIn scope2026-11-14
ccp.reddit.comIn scope2026-11-14
ccs.reddit.comIn scope2026-11-14
cct.reddit.comIn scope2026-11-14
cctv.reddit.comIn scope2026-11-14
cd.reddit.comIn scope2026-11-14
www.cd.reddit.comIn scope2026-11-14
cda.reddit.comIn scope2026-11-14
cdb.reddit.comIn scope2026-11-14
cdc.reddit.comIn scope2026-11-14
cde.reddit.comIn scope2026-11-14
www.cde.reddit.comIn scope2026-11-14
cdf.reddit.comIn scope2026-11-14
cdi.reddit.comIn scope2026-11-14
cdl.reddit.comIn scope2026-11-14
cdm.reddit.comIn scope2026-11-14
cdms.reddit.comIn scope2026-11-14
cdn.reddit.comIn scope2026-11-14
cdn-2-4.reddit.comIn scope2026-11-14
cdn-26-0.reddit.comIn scope2026-11-14
autoconfig.cdn.reddit.comIn scope2026-11-14
autodiscover.cdn.reddit.commailIn scope2026-11-14
eu.cdn.reddit.comIn scope2026-11-14
n1.eu.cdn.reddit.comIn scope2026-11-14
webdisk.cdn.reddit.comIn scope2026-11-14
www.cdn.reddit.comIn scope2026-11-14
cdn01.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