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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
arxiv.reddit.comIn scope2026-11-14
as.reddit.comIn scope2026-11-14
www.as.reddit.comIn scope2026-11-14
as1.reddit.comIn scope2026-11-14
as2.reddit.comIn scope2026-11-14
as3.reddit.comIn scope2026-11-14
as4.reddit.comIn scope2026-11-14
as400.reddit.comIn scope2026-11-14
asa.reddit.comIn scope2026-11-14
asahi.reddit.comIn scope2026-11-14
asap.reddit.comIn scope2026-11-14
asb.reddit.comIn scope2026-11-14
asc.reddit.comIn scope2026-11-14
asd.reddit.comIn scope2026-11-14
asdasd.reddit.comIn scope2026-11-14
asdf.reddit.comIn scope2026-11-14
asdfdfsdfsd.reddit.comIn scope2026-11-14
coronavirus.asdfdfsdfsd.reddit.comIn scope2026-11-14
asdfg.reddit.comIn scope2026-11-14
asdfghjkl.reddit.comIn scope2026-11-14
2018coronavirus.asdq001.reddit.comIn scope2026-11-14
asdzxc.reddit.comIn scope2026-11-14
asetus1.reddit.comIn scope2026-11-14
asetus2.reddit.comIn scope2026-11-14
asetus3.reddit.comIn scope2026-11-14
asexuality.reddit.comIn scope2026-11-14
asf.reddit.comIn scope2026-11-14
asfs.reddit.comIn scope2026-11-14
asg.reddit.comIn scope2026-11-14
asgard.reddit.comIn scope2026-11-14
ash.reddit.comIn scope2026-11-14
asha.reddit.comIn scope2026-11-14
asher.reddit.comIn scope2026-11-14
ashi.reddit.comIn scope2026-11-14
ashish.reddit.comIn scope2026-11-14
ashley.reddit.comIn scope2026-11-14
asi.reddit.comIn scope2026-11-14
asia.reddit.comIn scope2026-11-14
www.asia.reddit.comIn scope2026-11-14
asian.reddit.comIn scope2026-11-14
ask.reddit.comIn scope2026-11-14
www.ask.reddit.comIn scope2026-11-14
ask3d.reddit.comIn scope2026-11-14
askcaterina.reddit.comIn scope2026-11-14
askculinary.reddit.comIn scope2026-11-14
askfounders.reddit.comIn scope2026-11-14
askgaybros.reddit.comIn scope2026-11-14
askgsm.reddit.comIn scope2026-11-14
askhistorians.reddit.comIn scope2026-11-14
askjeph.reddit.comIn scope2026-11-14
asknetsec.reddit.comIn scope2026-11-14
askouija.reddit.comIn scope2026-11-14
askreddit.reddit.comIn scope2026-11-14
www.askreddit.reddit.comIn scope2026-11-14
askscience.reddit.comIn scope2026-11-14
asktransgender.reddit.comIn scope2026-11-14
askwomen.reddit.comIn scope2026-11-14
www.askwomen.reddit.comIn scope2026-11-14
aslan.reddit.comIn scope2026-11-14
asmo.reddit.comIn scope2026-11-14
aso.reddit.comIn scope2026-11-14
asoiaf.reddit.comIn scope2026-11-14
asp.reddit.comIn scope2026-11-14
asp1.reddit.comIn scope2026-11-14
asp2.reddit.comIn scope2026-11-14
aspera.reddit.comIn scope2026-11-14
aspire.reddit.comIn scope2026-11-14
asr.reddit.comIn scope2026-11-14
ass.reddit.comIn scope2026-11-14
assassin.reddit.comIn scope2026-11-14
asset.reddit.comIn scope2026-11-14
assets.reddit.comIn scope2026-11-14
www.assets.reddit.comIn scope2026-11-14
assets1.reddit.comIn scope2026-11-14
assets2.reddit.comIn scope2026-11-14
assets3.reddit.comIn scope2026-11-14
assets4.reddit.comIn scope2026-11-14
assist.reddit.comIn scope2026-11-14
assistance.reddit.comIn scope2026-11-14
assistenza.reddit.comIn scope2026-11-14
asso.reddit.comIn scope2026-11-14
association.reddit.comIn scope2026-11-14
ast.reddit.comIn scope2026-11-14
asta.reddit.comIn scope2026-11-14
aster.reddit.comIn scope2026-11-14
asterisk.reddit.comIn scope2026-11-14
asterisk1.reddit.comIn scope2026-11-14
asterisk2.reddit.comIn scope2026-11-14
asterix.reddit.comIn scope2026-11-14
astra.reddit.comIn scope2026-11-14
astrahan.reddit.comIn scope2026-11-14
astral.reddit.comIn scope2026-11-14
astro.reddit.comIn scope2026-11-14
astrology.reddit.comIn scope2026-11-14
astronomy.reddit.comIn scope2026-11-14
astrophotography.reddit.comIn scope2026-11-14
astun.reddit.comIn scope2026-11-14
asus.reddit.comIn scope2026-11-14
asw2.reddit.comIn scope2026-11-14
async.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