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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:reddit.com
Scope
Name suggests
First seen
Text fileClear filters22,383 names
Subdomains of Reddit
NameScopeFirst seen
1e7eb9b9d5d90.reddit.comIn scope2026-11-14
1hp.reddit.comIn scope2026-11-14
1trmst2hn.reddit.comIn scope2026-11-14
1www.reddit.comIn scope2026-11-14
2.reddit.comIn scope2026-11-14
www.2.reddit.comIn scope2026-11-14
20.reddit.comIn scope2026-11-14
www.20.reddit.comIn scope2026-11-14
2006.reddit.comIn scope2026-11-14
2008.reddit.comIn scope2026-11-14
2009.reddit.comIn scope2026-11-14
2010.reddit.comIn scope2026-11-14
www.2010.reddit.comIn scope2026-11-14
2011.reddit.comIn scope2026-11-14
www.2011.reddit.comIn scope2026-11-14
2012.reddit.comIn scope2026-11-14
www.2012.reddit.comIn scope2026-11-14
2013.reddit.comIn scope2026-11-14
www.2013.reddit.comIn scope2026-11-14
2018coronavirus.reddit.comIn scope2026-11-14
2018coronavirus127-154.reddit.comIn scope2026-11-14
2018coronavirusbeta-gnnusa.reddit.comIn scope2026-11-14
2018coronavirusbprdtsfarm2.reddit.comIn scope2026-11-14
2018coronavirusgi74.reddit.comIn scope2026-11-14
2018coronavirusmachambre1.reddit.comIn scope2026-11-14
2018coronavirusnatureaquatr8672.reddit.comIn scope2026-11-14
2018coronavirusp999123.reddit.comIn scope2026-11-14
2018coronavirusserver06.reddit.comIn scope2026-11-14
2018coronavirusstorage01.reddit.comIn scope2026-11-14
2018coronavirusstore17.reddit.comIn scope2026-11-14
2018coronavirussv55.reddit.comIn scope2026-11-14
2018coronavirustolive1.reddit.comIn scope2026-11-14
2018coronavirustt1069.reddit.comIn scope2026-11-14
2018coronavirusweb10084.reddit.comIn scope2026-11-14
2018coronavirusweb10462.reddit.comIn scope2026-11-14
2018coronavirusweb6705.reddit.comIn scope2026-11-14
2018coronavirusyhn7uj295.reddit.comIn scope2026-11-14
2019.reddit.comIn scope2026-11-14
2019-covid19.reddit.comIn scope2026-11-14
2019-covid19x-02.reddit.comIn scope2026-11-14
coronavirusca.2019.reddit.comIn scope2026-11-14
2019coronavirus.reddit.comIn scope2026-11-14
2019coronavirus-mx-02.reddit.commailIn scope2026-11-14
2019coronavirusca.reddit.comIn scope2026-11-14
2019covid19.reddit.comIn scope2026-11-14
203.reddit.comIn scope2026-11-14
204.reddit.comIn scope2026-11-14
205.reddit.comIn scope2026-11-14
209.reddit.comIn scope2026-11-14
21.reddit.comIn scope2026-11-14
211.reddit.comIn scope2026-11-14
212.reddit.comIn scope2026-11-14
22.reddit.comIn scope2026-11-14
222.reddit.comIn scope2026-11-14
228.reddit.comIn scope2026-11-14
22www.reddit.comIn scope2026-11-14
23.reddit.comIn scope2026-11-14
230.reddit.comIn scope2026-11-14
233.reddit.comIn scope2026-11-14
234.reddit.comIn scope2026-11-14
235.reddit.comIn scope2026-11-14
237.reddit.comIn scope2026-11-14
24.reddit.comIn scope2026-11-14
www.24.reddit.comIn scope2026-11-14
246.reddit.comIn scope2026-11-14
24hoursupport.reddit.comIn scope2026-11-14
25.reddit.comIn scope2026-11-14
www.25.reddit.comIn scope2026-11-14
25252fwww.reddit.comIn scope2026-11-14
252fwww.reddit.comIn scope2026-11-14
26.reddit.comIn scope2026-11-14
27.reddit.comIn scope2026-11-14
28.reddit.comIn scope2026-11-14
29.reddit.comIn scope2026-11-14
2018coronavirus.29444.reddit.comIn scope2026-11-14
2fm.reddit.comIn scope2026-11-14
2fnp.reddit.comIn scope2026-11-14
2fold.reddit.comIn scope2026-11-14
2fout.reddit.comIn scope2026-11-14
2fwww.reddit.comIn scope2026-11-14
2goback-faggot.reddit.comIn scope2026-11-14
3.reddit.comIn scope2026-11-14
www.3.reddit.comIn scope2026-11-14
30.reddit.comIn scope2026-11-14
31.reddit.comIn scope2026-11-14
32.reddit.comIn scope2026-11-14
33.reddit.comIn scope2026-11-14
34.reddit.comIn scope2026-11-14
35.reddit.comIn scope2026-11-14
36.reddit.comIn scope2026-11-14
360.reddit.comIn scope2026-11-14
365.reddit.comIn scope2026-11-14
37.reddit.comIn scope2026-11-14
38.reddit.comIn scope2026-11-14
39.reddit.comIn scope2026-11-14
3c.reddit.comIn scope2026-11-14
3d.reddit.comIn scope2026-11-14
3dns-2.reddit.comIn scope2026-11-14
3dns-3.reddit.comIn scope2026-11-14
3dscanning.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