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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
clare.reddit.comIn scope2026-11-14
clarity.reddit.comIn scope2026-11-14
clark.reddit.comIn scope2026-11-14
clashofclans.reddit.comIn scope2026-11-14
clashroyale.reddit.comIn scope2026-11-14
clasificados.reddit.comIn scope2026-11-14
class.reddit.comIn scope2026-11-14
dns.class.reddit.comIn scope2026-11-14
classes.reddit.comIn scope2026-11-14
classic.reddit.comlegacyIn scope2026-11-14
classico.reddit.comIn scope2026-11-14
classificados.reddit.comIn scope2026-11-14
classified.reddit.comIn scope2026-11-14
classifieds.reddit.comIn scope2026-11-14
autoconfig.classifieds.reddit.comIn scope2026-11-14
autodiscover.classifieds.reddit.commailIn scope2026-11-14
webdisk.classifieds.reddit.comIn scope2026-11-14
www.classifieds.reddit.comIn scope2026-11-14
classroom.reddit.comIn scope2026-11-14
claude.reddit.comIn scope2026-11-14
clay.reddit.comIn scope2026-11-14
claymore.reddit.comIn scope2026-11-14
clc.reddit.comIn scope2026-11-14
clean.reddit.comIn scope2026-11-14
cleaning.reddit.comIn scope2026-11-14
clear.reddit.comIn scope2026-11-14
clearbackblast.reddit.comIn scope2026-11-14
cleganebowl.reddit.comIn scope2026-11-14
cleo.reddit.comIn scope2026-11-14
cleveland.reddit.comIn scope2026-11-14
clevelandcavs.reddit.comIn scope2026-11-14
cleverskincare.reddit.comIn scope2026-11-14
clg.reddit.comIn scope2026-11-14
clic.reddit.comIn scope2026-11-14
click.reddit.comIn scope2026-11-14
www.click.reddit.comIn scope2026-11-14
click3.reddit.comIn scope2026-11-14
clickme.reddit.comIn scope2026-11-14
clicks.reddit.comIn scope2026-11-14
client.reddit.comIn scope2026-11-14
autoconfig.client.reddit.comIn scope2026-11-14
autodiscover.client.reddit.commailIn scope2026-11-14
webdisk.client.reddit.comIn scope2026-11-14
www.client.reddit.comIn scope2026-11-14
cliente.reddit.comIn scope2026-11-14
clientes.reddit.comIn scope2026-11-14
www.clientes.reddit.comIn scope2026-11-14
clientftp.reddit.comIn scope2026-11-14
clienti.reddit.comIn scope2026-11-14
clients.reddit.comIn scope2026-11-14
autoconfig.clients.reddit.comIn scope2026-11-14
autodiscover.clients.reddit.commailIn scope2026-11-14
webdisk.clients.reddit.comIn scope2026-11-14
www.clients.reddit.comIn scope2026-11-14
clientweb.reddit.comIn scope2026-11-14
climate.reddit.comIn scope2026-11-14
clinic.reddit.comIn scope2026-11-14
clio.reddit.comIn scope2026-11-14
clip.reddit.comIn scope2026-11-14
clips.reddit.comIn scope2026-11-14
clk.reddit.comIn scope2026-11-14
clock.reddit.comIn scope2026-11-14
clone.reddit.comIn scope2026-11-14
clopclop.reddit.comIn scope2026-11-14
closed.reddit.comIn scope2026-11-14
clothing.reddit.comIn scope2026-11-14
cloud.reddit.comIn scope2026-11-14
cloud-coronavirusca.reddit.comIn scope2026-11-14
coronavirus.cloud.reddit.comIn scope2026-11-14
coronavirusca.cloud.reddit.comIn scope2026-11-14
www.cloud.reddit.comIn scope2026-11-14
cloud1.reddit.comIn scope2026-11-14
cloud2.reddit.comIn scope2026-11-14
cloud3.reddit.comIn scope2026-11-14
cloud4.reddit.comIn scope2026-11-14
cloud9.reddit.comIn scope2026-11-14
cloudflare-resolve-to.reddit.comIn scope2026-11-14
clover.reddit.comIn scope2026-11-14
cls.reddit.comIn scope2026-11-14
club.reddit.comIn scope2026-11-14
webdisk.club.reddit.comIn scope2026-11-14
www.club.reddit.comIn scope2026-11-14
clubhouse.reddit.comIn scope2026-11-14
clubs.reddit.comIn scope2026-11-14
cluster.reddit.comIn scope2026-11-14
cluster1.reddit.comIn scope2026-11-14
cluster2.reddit.comIn scope2026-11-14
clusterfuck.reddit.comIn scope2026-11-14
cm.reddit.comIn scope2026-11-14
www.cm.reddit.comIn scope2026-11-14
cm2.reddit.comIn scope2026-11-14
cma.reddit.comIn scope2026-11-14
cmail.reddit.comIn scope2026-11-14
cmc.reddit.comIn scope2026-11-14
cmcc.reddit.comIn scope2026-11-14
cmd.reddit.comIn scope2026-11-14
cmdb.reddit.comIn scope2026-11-14
cme.reddit.comIn scope2026-11-14
cmi.reddit.comIn scope2026-11-14
cmp.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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