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Bug Bounty Intelligence

Source: HackerOne public disclosures · updated every 6h

Browse publicly disclosed bug bounty reports from HackerOne. Filter by severity, weakness type, or program. Cross-referenced with CVE IDs where available.

Disclosed Reports
12,219
CVE-linked
1,854
Programs
342
New This Week
11
Severity: All CriticalHighMediumLow
Type: All Information Disclosure 1173 Cross-site Scripting (XSS) … 747 Violation of Secure Design … 719 Improper Access Control - Generic 656 Improper Authentication - Generic 652 Cross-site Scripting (XSS) … 513 Uncontrolled Resource Consumption 483 Cross-site Scripting (XSS) … 461 Cross-Site Request Forgery (CSRF) 421 Privilege Escalation 375
Program filter: nextcloud✕
Email not verified when changing afterwards on apps.nextcloud.com
Nextcloud Violation of Secure Design Principles (CWE-657)
Low
2025-09-29
OAuth2 "authorization_code" is valid indefinetly
Nextcloud Violation of Secure Design Principles (CWE-657)CVE-2024-22403
Low
2024-02-17
Ability to control the filename when uploading a logo or favicon on theming
Nextcloud Violation of Secure Design Principles (CWE-657)CVE-2023-28833
Low
2023-04-10
Suspicious login app ships old league/flysystem version
Nextcloud Violation of Secure Design Principles (CWE-657)CVE-2021-32708
Unknown
2023-02-08
Message Authentication Codes calculated by the Default Encryption Module allow an attacker to silently overwrite blocks in a file
Nextcloud Violation of Secure Design Principles (CWE-657)CVE-2020-8133
Low
2020-11-05
Disabled user can reset their password
Nextcloud Violation of Secure Design Principles (CWE-657)
None
2020-03-01
**minor issue ** -Nextcloud 10.0 session issue with desktop client and android client
Nextcloud Violation of Secure Design Principles (CWE-657)
Medium
2020-03-01
Missing X-Content-Type-Options
Nextcloud Violation of Secure Design Principles (CWE-657)
Unknown
2020-03-01
WordPress vulnerable to multiple attacks at https://nextcloud.com
Nextcloud Violation of Secure Design Principles (CWE-657)
Medium
2020-03-01
Username and Access Token Disclousure
Nextcloud Violation of Secure Design Principles (CWE-657)CVE-2019-15611
Low
2020-03-01
No session logout after changing password & alsoandroid sessions not shown in sessions list so they can be deleted
Nextcloud Violation of Secure Design Principles (CWE-657)
Unknown
2020-02-09
Content Spoofing /Text Injection in https://docs.nextcloud.com
Nextcloud Violation of Secure Design Principles (CWE-657)
Low
2019-09-05
Passcode Protection in Android Devices Can be Bypassed.
Nextcloud Violation of Secure Design Principles (CWE-657)
Medium
2019-08-27
WordPress < 4.8.2 vulnerable to multiple attacks
Nextcloud Violation of Secure Design Principles (CWE-657)
Low
2017-09-27
Missing Rate Limiting protection leading to mass triggering of e-mails
Nextcloud Violation of Secure Design Principles (CWE-657)
Medium
2017-06-05
Content spoofing due to the improper behavior of the 403 page
Nextcloud Violation of Secure Design Principles (CWE-657)
Unknown
2017-05-18
Content (Text) Injection at https://nextcloud.com
Nextcloud Violation of Secure Design Principles (CWE-657)
Low
2017-05-15
Content Spoofing/Text Injection in https://demo.nextcloud.com
Nextcloud Violation of Secure Design Principles (CWE-657)
Low
2017-04-28
Content Spoofing/Text Injection in nextcloud.com
Nextcloud Violation of Secure Design Principles (CWE-657)
Low
2017-04-19
Invalid request may lead content spoofing for phishing
Nextcloud Violation of Secure Design Principles (CWE-657)
Unknown
2017-04-12
Top Weakness Types
Most Active Programs
ProgramReportsMax $
U.S. Dept Of Defense896—
Internet Bug Bounty817—
HackerOne609—
Nextcloud582—
Shopify464—
curl439—
Node.js third-party modules307—
GitLab258—
X / xAI250 $2,500
Uber239 $9,895