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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
bola.reddit.comIn scope2026-11-14
boletim.reddit.comIn scope2026-11-14
boletines.reddit.comIn scope2026-11-14
boleto.reddit.comIn scope2026-11-14
bollywood.reddit.comIn scope2026-11-14
bologna.reddit.comIn scope2026-11-14
bolt.reddit.comIn scope2026-11-14
bom.reddit.comIn scope2026-11-14
bomb.reddit.comIn scope2026-11-14
bomba.reddit.comIn scope2026-11-14
bomber.reddit.comIn scope2026-11-14
bomgar.reddit.comIn scope2026-11-14
bon.reddit.comIn scope2026-11-14
bond.reddit.comIn scope2026-11-14
bones.reddit.comIn scope2026-11-14
bongda.reddit.comIn scope2026-11-14
bonghittransplant.reddit.comIn scope2026-11-14
bonjour.reddit.comIn scope2026-11-14
bono.reddit.comIn scope2026-11-14
bonus.reddit.comIn scope2026-11-14
boo.reddit.comIn scope2026-11-14
book.reddit.comIn scope2026-11-14
webdisk.book.reddit.comIn scope2026-11-14
www.book.reddit.comIn scope2026-11-14
booking.reddit.comIn scope2026-11-14
www.booking.reddit.comIn scope2026-11-14
bookings.reddit.comIn scope2026-11-14
bookman.reddit.comIn scope2026-11-14
bookmark.reddit.comIn scope2026-11-14
books.reddit.comIn scope2026-11-14
webdisk.books.reddit.comIn scope2026-11-14
www.books.reddit.comIn scope2026-11-14
bookshop.reddit.comIn scope2026-11-14
bookstore.reddit.comIn scope2026-11-14
boole.reddit.comIn scope2026-11-14
boom.reddit.comIn scope2026-11-14
boombeach.reddit.comIn scope2026-11-14
boomer.reddit.comIn scope2026-11-14
boon.reddit.comIn scope2026-11-14
boost.reddit.comIn scope2026-11-14
bor.reddit.comIn scope2026-11-14
borabora.reddit.comIn scope2026-11-14
bordeaux.reddit.comIn scope2026-11-14
border.reddit.comIn scope2026-11-14
borg.reddit.comIn scope2026-11-14
boringtil.reddit.comIn scope2026-11-14
boris.reddit.comIn scope2026-11-14
boron.reddit.comIn scope2026-11-14
bos.reddit.comIn scope2026-11-14
bosch.reddit.comIn scope2026-11-14
boss.reddit.comIn scope2026-11-14
boston.reddit.comIn scope2026-11-14
bostonbruins.reddit.comIn scope2026-11-14
bostonceltics.reddit.comIn scope2026-11-14
bostonuprising.reddit.comIn scope2026-11-14
bot.reddit.comIn scope2026-11-14
botswana.reddit.comIn scope2026-11-14
bounce.reddit.comIn scope2026-11-14
bouncer.reddit.comIn scope2026-11-14
bounces.reddit.comIn scope2026-11-14
boutique.reddit.comIn scope2026-11-14
www.boutique.reddit.comIn scope2026-11-14
bowling.reddit.comIn scope2026-11-14
box.reddit.comIn scope2026-11-14
box1.reddit.comIn scope2026-11-14
box11.reddit.comIn scope2026-11-14
box2.reddit.comIn scope2026-11-14
boxer.reddit.comIn scope2026-11-14
boxing.reddit.comIn scope2026-11-14
boxoffice.reddit.comIn scope2026-11-14
bp.reddit.comIn scope2026-11-14
bpa.reddit.comIn scope2026-11-14
bpm.reddit.comIn scope2026-11-14
bps.reddit.comIn scope2026-11-14
bq.reddit.comIn scope2026-11-14
br.reddit.comIn scope2026-11-14
br1.reddit.comIn scope2026-11-14
brad.reddit.comIn scope2026-11-14
bradfordbulls.reddit.comIn scope2026-11-14
brahms.reddit.comIn scope2026-11-14
brain.reddit.comIn scope2026-11-14
brains.reddit.comIn scope2026-11-14
brainstorm.reddit.comIn scope2026-11-14
branch.reddit.comIn scope2026-11-14
brand.reddit.comIn scope2026-11-14
brandon.reddit.comIn scope2026-11-14
brasil.reddit.comIn scope2026-11-14
brave.reddit.comIn scope2026-11-14
bravo.reddit.comIn scope2026-11-14
brawlhalla.reddit.comIn scope2026-11-14
brawlrecruit.reddit.comIn scope2026-11-14
brazil.reddit.comIn scope2026-11-14
brazzers.reddit.comIn scope2026-11-14
bread.reddit.comIn scope2026-11-14
breadit.reddit.comIn scope2026-11-14
breakingbad.reddit.comIn scope2026-11-14
breeze.reddit.comIn scope2026-11-14
breezy.reddit.comIn scope2026-11-14
brest.reddit.comIn scope2026-11-14
brett.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