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Bug bounty reports15,219

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

Program:Udemy
Status:Valid
Clear
Severity
Weakness
Year
Bounty paid0
Access stated
  • No account0
  • A user account0
  • Admin or privileged0
Access needed
Technique
Clear filters21 of 15,219 reports
Disclosed bug bounty reports
ReportStatusWeaknessSeverityDisclosedBountyVotes
Completed Compromise & Source Code Disclosure via Exposed Jenkins Dashboard at https://jenkins101.udemy.comAnalysed#182104ValidCommand and Code Injection–2017-06-17–63
[affiliates.udemy.com] Wordpress user admin information discloureAnalysed#370777ValidInformation DisclosureLow2019-04-28–60
[engineering.udemy.com] - Subdomain Takeover (ghost.io)#368119ValidAccess ControlLow2018-06-27–33
S3 bucket unnecessarily discloses permissions#330135ValidAccess ControlNone2019-04-26–27
Subdomain Takeover (and Stored XSS) via Trailing Dot at https://coding-exercises.udemy.com#223625ValidNo weakness recordedNone2018-05-10–19
Able to view others' gifts on /gift/share URL, giftId is predictable, and easy to manipulate#119166ValidAuthentication–2017-03-26–16
Jenkins#181849ValidNo weakness recorded–2017-01-10–13
AWS S3 bucket writable for authenticated aws user#131468ValidAuthentication–2017-01-05–13
Ability to add pishing links in discusion ," Bypassing uneductional Links add "#62301ValidInformation Disclosure–2016-07-09–10
Subdomain Takeover at Landing.udemy.com#208719ValidAccess ControlLow2017-03-30–9
teach.udemy.com log poison vulnerability through wordpress debug.log being publically available#60058ValidCommand and Code Injection–2015-06-09–8
Extremely high Course rating values could be set in order to make really high Average rating of the course. Negative values could be set to.#73808ValidMisconfiguration and Insecure Design–2015-09-25–5
Content Spoofing in udemy#172711ValidMisconfiguration and Insecure Design–2017-07-23–4
Authentication Data are not Clearing#119262ValidAuthentication–2016-04-13–4
XSS Vulnerability#87588ValidCross-site Scripting–2015-11-09–3
XSS on https://www.udemy.com/asset/export.html#62400ValidCross-site Scripting–2015-10-08–3
xss profile#60016ValidCross-site Scripting–2015-07-16–3
Multiple sub domain are vulnerable because of leaking full path#62778ValidInformation Disclosure–2015-06-25–2
leak receipt of another user#61371ValidInformation Disclosure–2015-11-13–2
information disclosure#78765ValidInformation Disclosure–2016-02-07–1
xss on autoserch#61367ValidCross-site Scripting–2015-07-08–1

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 (1,683 analysed so far), which can be wrong. Data as of 2026-11-15.