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Bug bounty reports15,219

Publicly disclosed HackerOne reports, with the platform's own outcome and severity.

Program:X / xAI
Status:Valid
Clear
Severity
Weakness
Year
Bounty paid81
Access stated
Access needed
Technique
Clear filters219 of 15,219 reports
Disclosed bug bounty reports
ReportStatusWeaknessSeverityDisclosedBountyVotes
HTML form without CSRF protection at http://try.crashlytics.com/enterprise/#25128ValidCross-Site Request Forgery–2014-10-02––
CSRF in crashlytics.com#13856ValidCross-Site Request Forgery–2014-09-08–1
password sent over HTTP#20081ValidCryptography–2014-08-05–1
Missing Rate Limiting on https://twitter.com/account/complete#27166ValidInformation Disclosure–2014-11-10–1
Twitter Flight SSL 2.0 deprecated protocol vulnerability.#29206ValidCryptography–2014-10-07–1
XSS platform.twitter.com | video-js metadata#29360ValidCross-site Scripting–2014-11-17–1
Bad extended ascii handling in HTTP 301 redirects of t.co#34084ValidOpen Redirect–2015-08-09–1
POODLE Bug: 199.16.156.44, 199.16.156.108, mx4.twitter.com#41240ValidCryptography–2015-09-20$1401
open redirect sends authenticity_token to any website or (ip address)#50752ValidOpen Redirect–2015-03-14$5601
Following a User Actually Follows Another User#95243ValidOpen Redirect–2015-12-02$2801
Following a User After Favoriting Actually Follows Another User (related to #95243)#97510ValidMisconfiguration and Insecure Design–2015-12-02$2801
XSS vulnerability in video player page#15125ValidCross-site Scripting–2014-08-02–2
Cookie not marked as secure.#15232ValidNo weakness recorded–2014-08-04–2
Full path disclosure at ads.twitter.com#26825ValidInformation Disclosure–2014-11-17$1402
Unauthorized Tweeting on behalf of Account Owners#31082ValidMisconfiguration and Insecure Design–2015-05-07$4202
[Stored XSS] vine.co - profile page#36986ValidCross-site Scripting–2015-03-26–2
twitter android app Fragment Injection#43988ValidCommand and Code Injection–2015-04-11–2
URGENT - SUBDOMAIN TAKEOVER ON TWITTER ACQ.#44578ValidCommand and Code Injection–2015-02-21–2
User's DM won't deleted after logout from Twitter for iOS (com.atebits.xxx.application-state)#23913ValidNo weakness recorded–2015-02-25–3
XSS platform.twitter.com#29328ValidCross-site Scripting–2014-11-17–3
XSS in fabric.io#32519ValidCross-site Scripting–2014-12-23–3
DOM Cross-Site Scripting ( XSS )#33091ValidCross-site Scripting–2014-12-03$1,4003
Open redirection in fabric.io#39631ValidOpen Redirect–2014-12-18$2803
Fabric.io - an app admin can delete team members from other user apps#43065ValidAccess Control–2015-03-09$1,1203
Twitter Card - Parent Window Redirection#46818ValidCross-site Scripting–2015-05-04$5603
Redirect URL in /intent/ functionality is not properly escaped#48516ValidCross-site Scripting–2015-02-24–3
Can see private tweets via keyword searches on tweetdeck#97161ValidAccess Control–2016-02-16–3
Full Path Disclosure at 27.prd.vine.co#175451ValidNo weakness recorded–2016-10-21$1403
XSS ON MOPUB.COM#15356ValidCross-site Scripting–2014-08-15–4
ads.twitter.com xss#27511ValidCross-site Scripting–2014-11-17–4
Stored xss#27846ValidCross-site Scripting–2014-09-27–4
iOS App can establish Facetime calls without user's permission#28500ValidCross-Site Request Forgery–2015-04-27–4
getting emails of users/removing them from victims account [using typical attack]#35287ValidAuthentication–2015-03-13–4
URGENT - Subdomain Takeover on users.tweetdeck.com , the same issue of report #32825#42236ValidCommand and Code Injection–2015-01-01$4204
fabric.io - app member can make himself an admin#42961ValidAccess Control–2015-03-09$1,4004
Reporting user's profile by using another people's ID#47888ValidOpen Redirect–2015-06-11$1404
XSS in twitter.com/safety/unsafe_link_warning#53098ValidCross-site Scripting–2015-04-03$1,4004
Subdomain Expired#101104ValidAuthentication–2016-01-15–4
Sub-Domain Takeover#119220ValidNo weakness recorded–2016-03-18–4
xss in DM group name in twitter#129436ValidCross-site Scripting–2016-04-22–4
Singup Page HTML Injection Vulnerability#31554ValidCommand and Code Injection–2015-03-22–5
XSS via Fabrico Account Name#34725ValidCross-site Scripting–2016-07-11–5
HTML/XSS rendered in Android App of Crashlytics through fabric.io#41856ValidCross-site Scripting–2015-02-18–5
XSS in original referrer after follow#50134ValidCross-site Scripting–2015-03-09–5
Tweetdeck (twitter owned app) not revoked#90172ValidAuthentication–2016-04-29–5
Tweet Deck XSS- Persistent- Group DM name#119022ValidCross-site Scripting–2016-03-04–5
[mobile.twitter.com / twitter.com] CSRF protection bypass#14883ValidCross-Site Request Forgery–2015-05-04–6
Delete Credit Cards from any Twitter Account in ads.twitter.com [New Vulnerability]#27404ValidAuthentication–2014-09-30–6
Improper Verification of email address while saving Account Settings#30975ValidMisconfiguration and Insecure Design–2015-08-13$5606
Insecure Data Storage in Vine Android App#44727ValidCryptography–2015-06-24$1406

Status and severity are HackerOne's. “Access stated” is what the title says; “Access needed” and techniques come from CyberSIXT's analysis of the public report (549 analysed so far), which can be wrong. Data as of 2026-11-14.

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