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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:In scope
Name suggests:Data and files
First seen
Text fileClear filters104+ names
Subdomains of Reddit
NameScopeFirst seen
backup.reddit.comdataIn scope2026-11-14
www.backup.reddit.comdataIn scope2026-11-14
backup01.reddit.comdataIn scope2026-11-14
backup02.reddit.comdataIn scope2026-11-14
backup1.reddit.comdataIn scope2026-11-14
backup2.reddit.comdataIn scope2026-11-14
backup3.reddit.comdataIn scope2026-11-14
backup4.reddit.comdataIn scope2026-11-14
backup5.reddit.comdataIn scope2026-11-14
backup6.reddit.comdataIn scope2026-11-14
backups.reddit.comdataIn scope2026-11-14
ftp.blog.reddit.comdataIn scope2026-11-14
ftp.coronavirusca.reddit.comdataIn scope2026-11-14
ftp.cp.reddit.comdataIn scope2026-11-14
database.reddit.comdataIn scope2026-11-14
database1.reddit.comdataIn scope2026-11-14
database2.reddit.comdataIn scope2026-11-14
db.reddit.comdataIn scope2026-11-14
www.db.reddit.comdataIn scope2026-11-14
ftp.demo.reddit.comdata, testIn scope2026-11-14
ftp.dev.reddit.comdata, devIn scope2026-11-14
dump.reddit.comdataIn scope2026-11-14
elastic.reddit.comdataIn scope2026-11-14
files.reddit.comdataIn scope2026-11-14
autoconfig.files.reddit.comdataIn scope2026-11-14
autodiscover.files.reddit.comdata, mailIn scope2026-11-14
webdisk.files.reddit.comdataIn scope2026-11-14
www.files.reddit.comdataIn scope2026-11-14
files1.reddit.comdataIn scope2026-11-14
files2.reddit.comdataIn scope2026-11-14
files3.reddit.comdataIn scope2026-11-14
files4.reddit.comdataIn scope2026-11-14
ftp.forum.reddit.comdataIn scope2026-11-14
ftp.reddit.comdataIn scope2026-11-14
ftp-eu.reddit.comdataIn scope2026-11-14
ftp-girlsuncovered.reddit.comdataIn scope2026-11-14
www.ftp.reddit.comdataIn scope2026-11-14
ftp01.reddit.comdataIn scope2026-11-14
ftp02.reddit.comdataIn scope2026-11-14
ftp1.reddit.comdataIn scope2026-11-14
ftp10.reddit.comdataIn scope2026-11-14
ftp12.reddit.comdataIn scope2026-11-14
ftp13.reddit.comdataIn scope2026-11-14
ftp14.reddit.comdataIn scope2026-11-14
ftp15.reddit.comdataIn scope2026-11-14
ftp2.reddit.comdataIn scope2026-11-14
ftp3.reddit.comdataIn scope2026-11-14
ftp4.reddit.comdataIn scope2026-11-14
ftp5.reddit.comdataIn scope2026-11-14
ftp6.reddit.comdataIn scope2026-11-14
ftp7.reddit.comdataIn scope2026-11-14
ftp8.reddit.comdataIn scope2026-11-14
ftp9.reddit.comdataIn scope2026-11-14
ftp.girlsuncovered.reddit.comdataIn scope2026-11-14
ftp.m.reddit.comdataIn scope2026-11-14
mongo.reddit.comdataIn scope2026-11-14
mongodb.reddit.comdataIn scope2026-11-14
mysql.reddit.comdataIn scope2026-11-14
www.mysql.reddit.comdataIn scope2026-11-14
mysql01.reddit.comdataIn scope2026-11-14
mysql02.reddit.comdataIn scope2026-11-14
mysql03.reddit.comdataIn scope2026-11-14
mysql1.reddit.comdataIn scope2026-11-14
mysql10.reddit.comdataIn scope2026-11-14
mysql11.reddit.comdataIn scope2026-11-14
mysql2.reddit.comdataIn scope2026-11-14
mysql3.reddit.comdataIn scope2026-11-14
mysql4.reddit.comdataIn scope2026-11-14
mysql41.reddit.comdataIn scope2026-11-14
mysql5.reddit.comdataIn scope2026-11-14
mysql6.reddit.comdataIn scope2026-11-14
mysql7.reddit.comdataIn scope2026-11-14
mysql8.reddit.comdataIn scope2026-11-14
mysql9.reddit.comdataIn scope2026-11-14
ftp.new.reddit.comdataIn scope2026-11-14
elastic.old.reddit.comdata, legacyIn scope2026-11-14
ftp.old.reddit.comdata, legacyIn scope2026-11-14
mongo.old.reddit.comdata, legacyIn scope2026-11-14
mongodb.old.reddit.comdata, legacyIn scope2026-11-14
mysql.old.reddit.comdata, legacyIn scope2026-11-14
upload.old.reddit.comdata, legacyIn scope2026-11-14
s3.reddit.comdataIn scope2026-11-14
www.s3.reddit.comdataIn scope2026-11-14
ftp.secure.reddit.comdataIn scope2026-11-14
sftp.reddit.comdataIn scope2026-11-14
sftp3.reddit.comdataIn scope2026-11-14
ftp.shop.reddit.comdataIn scope2026-11-14
sierra-db.reddit.comdataIn scope2026-11-14
solr.reddit.comdataIn scope2026-11-14
ora-placeholder-ps-db.srv.reddit.comdataIn scope2026-11-14
ftp.staging.reddit.comdata, stagingIn scope2026-11-14
elastic.technewstoday.reddit.comdataIn scope2026-11-14
ftp.technewstoday.reddit.comdataIn scope2026-11-14
mongo.technewstoday.reddit.comdataIn scope2026-11-14
mongodb.technewstoday.reddit.comdataIn scope2026-11-14
mysql.technewstoday.reddit.comdataIn scope2026-11-14
upload.technewstoday.reddit.comdataIn scope2026-11-14
ftp.test.reddit.comdata, testIn scope2026-11-14
upload.reddit.comdataIn scope2026-11-14
webdisk.upload.reddit.comdataIn 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