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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
callpilot.reddit.comIn scope2026-11-14
calls.reddit.comIn scope2026-11-14
calpoly.reddit.comIn scope2026-11-14
calpolypomona.reddit.comIn scope2026-11-14
calstate.reddit.comIn scope2026-11-14
calvin.reddit.comIn scope2026-11-14
calypso.reddit.comIn scope2026-11-14
cam.reddit.comIn scope2026-11-14
www.cam.reddit.comIn scope2026-11-14
cam1.reddit.comIn scope2026-11-14
cam2.reddit.comIn scope2026-11-14
cam3.reddit.comIn scope2026-11-14
cam4.reddit.comIn scope2026-11-14
camaras.reddit.comIn scope2026-11-14
cambodia.reddit.comIn scope2026-11-14
cambridge.reddit.comIn scope2026-11-14
camel.reddit.comIn scope2026-11-14
camera.reddit.comIn scope2026-11-14
camera1.reddit.comIn scope2026-11-14
camera2.reddit.comIn scope2026-11-14
camera3.reddit.comIn scope2026-11-14
cameras.reddit.comIn scope2026-11-14
cameron.reddit.comIn scope2026-11-14
cameroon.reddit.comIn scope2026-11-14
camfrog.reddit.comIn scope2026-11-14
camilla.reddit.comIn scope2026-11-14
camp.reddit.comIn scope2026-11-14
campaign.reddit.comIn scope2026-11-14
www.campaign.reddit.comIn scope2026-11-14
campaigns.reddit.comIn scope2026-11-14
camper.reddit.comIn scope2026-11-14
camping.reddit.comIn scope2026-11-14
campus.reddit.comIn scope2026-11-14
campus2.reddit.comIn scope2026-11-14
campusvirtual.reddit.comIn scope2026-11-14
cams.reddit.comIn scope2026-11-14
www.cams.reddit.comIn scope2026-11-14
camus.reddit.comIn scope2026-11-14
can.reddit.comIn scope2026-11-14
canada.reddit.comIn scope2026-11-14
www.canada.reddit.comIn scope2026-11-14
canadianpl.reddit.comIn scope2026-11-14
canal.reddit.comIn scope2026-11-14
canary.reddit.comstagingIn scope2026-11-14
cancel.reddit.comIn scope2026-11-14
cancer.reddit.comIn scope2026-11-14
candle.reddit.comIn scope2026-11-14
candy.reddit.comIn scope2026-11-14
canna.reddit.comIn scope2026-11-14
cannabis.reddit.comIn scope2026-11-14
cannes.reddit.comIn scope2026-11-14
canoe.reddit.comIn scope2026-11-14
canon.reddit.comIn scope2026-11-14
canopus.reddit.comIn scope2026-11-14
canopy.reddit.comIn scope2026-11-14
cantor.reddit.comIn scope2026-11-14
canvas.reddit.comIn scope2026-11-14
caos.reddit.comIn scope2026-11-14
cap.reddit.comIn scope2026-11-14
capa.reddit.comIn scope2026-11-14
capacitacion.reddit.comIn scope2026-11-14
capella.reddit.comIn scope2026-11-14
capeverde.reddit.comIn scope2026-11-14
capital.reddit.comIn scope2026-11-14
capricorn.reddit.comIn scope2026-11-14
caps.reddit.comIn scope2026-11-14
captain.reddit.comIn scope2026-11-14
captcha.reddit.comIn scope2026-11-14
captchacomics.reddit.comIn scope2026-11-14
captivewildlife.reddit.comIn scope2026-11-14
car.reddit.comIn scope2026-11-14
car-line.reddit.comIn scope2026-11-14
www.car-line.reddit.comIn scope2026-11-14
www.car.reddit.comIn scope2026-11-14
caracas.reddit.comIn scope2026-11-14
caramel.reddit.comIn scope2026-11-14
caravan.reddit.comIn scope2026-11-14
carbon.reddit.comIn scope2026-11-14
card.reddit.comIn scope2026-11-14
webdisk.card.reddit.comIn scope2026-11-14
www.card.reddit.comIn scope2026-11-14
cardinal.reddit.comIn scope2026-11-14
cards.reddit.comIn scope2026-11-14
www.cards.reddit.comIn scope2026-11-14
care.reddit.comIn scope2026-11-14
career.reddit.comIn scope2026-11-14
careers.reddit.comIn scope2026-11-14
www.careers.reddit.comIn scope2026-11-14
cargo.reddit.comIn scope2026-11-14
carina.reddit.comIn scope2026-11-14
carl.reddit.comIn scope2026-11-14
carla.reddit.comIn scope2026-11-14
carlo.reddit.comIn scope2026-11-14
carlos.reddit.comIn scope2026-11-14
carme.reddit.comIn scope2026-11-14
carmen.reddit.comIn scope2026-11-14
carnival.reddit.comIn scope2026-11-14
caro.reddit.comIn scope2026-11-14
caroline.reddit.comIn scope2026-11-14
carpediem.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