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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
blade13.reddit.comIn scope2026-11-14
blade2.reddit.comIn scope2026-11-14
blade3.reddit.comIn scope2026-11-14
blade4.reddit.comIn scope2026-11-14
blade5.reddit.comIn scope2026-11-14
blade6.reddit.comIn scope2026-11-14
blade7.reddit.comIn scope2026-11-14
blade8.reddit.comIn scope2026-11-14
blade9.reddit.comIn scope2026-11-14
blago.reddit.comIn scope2026-11-14
blah.reddit.comIn scope2026-11-14
blake.reddit.comIn scope2026-11-14
blanco.reddit.comIn scope2026-11-14
blast.reddit.comIn scope2026-11-14
blaster.reddit.comIn scope2026-11-14
blaze.reddit.comIn scope2026-11-14
blazer.reddit.comIn scope2026-11-14
bleach.reddit.comIn scope2026-11-14
bleachshirts.reddit.comIn scope2026-11-14
blend.reddit.comIn scope2026-11-14
blessing.reddit.comIn scope2026-11-14
blik.reddit.comIn scope2026-11-14
blink.reddit.comIn scope2026-11-14
blink182.reddit.comIn scope2026-11-14
bliss.reddit.comIn scope2026-11-14
blitz.reddit.comIn scope2026-11-14
blizzard.reddit.comIn scope2026-11-14
block.reddit.comIn scope2026-11-14
blocked.reddit.comIn scope2026-11-14
blockheroes.reddit.comIn scope2026-11-14
blocknload.reddit.comIn scope2026-11-14
blog.reddit.comIn scope2026-11-14
blog-coronavirus.reddit.comIn scope2026-11-14
blog-dev.reddit.comdevIn scope2026-11-14
autoconfig.blog.reddit.comIn scope2026-11-14
autodiscover.blog.reddit.commailIn scope2026-11-14
ftp.blog.reddit.comdataIn scope2026-11-14
localhost.blog.reddit.comdevIn scope2026-11-14
mail.blog.reddit.commailIn scope2026-11-14
ns.blog.reddit.comIn scope2026-11-14
tw.blog.reddit.comIn scope2026-11-14
webdisk.blog.reddit.comIn scope2026-11-14
www.blog.reddit.comIn scope2026-11-14
blog1.reddit.comIn scope2026-11-14
blog2.reddit.comIn scope2026-11-14
blog3.reddit.comIn scope2026-11-14
blogcoronavirusca.reddit.comIn scope2026-11-14
blogdev.reddit.comIn scope2026-11-14
blogg.reddit.comIn scope2026-11-14
blogger.reddit.comIn scope2026-11-14
blogs.reddit.comIn scope2026-11-14
autoconfig.blogs.reddit.comIn scope2026-11-14
autodiscover.blogs.reddit.commailIn scope2026-11-14
webdisk.blogs.reddit.comIn scope2026-11-14
www.blogs.reddit.comIn scope2026-11-14
blogtest.reddit.comIn scope2026-11-14
blondie.reddit.comIn scope2026-11-14
blood.reddit.comIn scope2026-11-14
bloom.reddit.comIn scope2026-11-14
blossom.reddit.comIn scope2026-11-14
blue.reddit.comIn scope2026-11-14
bluebell.reddit.comIn scope2026-11-14
blueberry.reddit.comIn scope2026-11-14
bluebird.reddit.comIn scope2026-11-14
bluejackets.reddit.comIn scope2026-11-14
bluemoon.reddit.comIn scope2026-11-14
bluerain.reddit.comIn scope2026-11-14
blues.reddit.comIn scope2026-11-14
bluesea.reddit.comIn scope2026-11-14
bluesky.reddit.comIn scope2026-11-14
bm.reddit.comIn scope2026-11-14
www.bm.reddit.comIn scope2026-11-14
bmail.reddit.comIn scope2026-11-14
bmb.reddit.comIn scope2026-11-14
bmc.reddit.comIn scope2026-11-14
bmg.reddit.comIn scope2026-11-14
bms.reddit.comIn scope2026-11-14
bmw.reddit.comIn scope2026-11-14
bn.reddit.comIn scope2026-11-14
bnc.reddit.comIn scope2026-11-14
bnet.reddit.comIn scope2026-11-14
bns.reddit.comIn scope2026-11-14
bnsc.reddit.comIn scope2026-11-14
gw.bnsc.reddit.comIn scope2026-11-14
pcsupport.bnsc.reddit.comIn scope2026-11-14
bo.reddit.comIn scope2026-11-14
www.bo.reddit.comIn scope2026-11-14
boa.reddit.comIn scope2026-11-14
board.reddit.comIn scope2026-11-14
www.board.reddit.comIn scope2026-11-14
boards.reddit.comIn scope2026-11-14
bob.reddit.comIn scope2026-11-14
bobo.reddit.comIn scope2026-11-14
bobsburgers.reddit.comIn scope2026-11-14
boc.reddit.comIn scope2026-11-14
body.reddit.comIn scope2026-11-14
bodybuilding.reddit.comIn scope2026-11-14
bogdan.reddit.comIn scope2026-11-14
bogota.reddit.comIn scope2026-11-14
boky.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