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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✕
Stored XSS in attachment-display exploitable through SameSite
Nextcloud Cross-site Scripting (XSS) - Stored (CWE-79)
Medium
2026-04-19
Stored XSS in contacts app via organisation and title field
Nextcloud Cross-site Scripting (XSS) - Stored (CWE-79)CVE-2025-66554
Low
2026-01-04
Stored XSS Vulnerability via SVG File
Nextcloud Cross-site Scripting (XSS) - Stored (CWE-79)CVE-2025-66512
Medium
2025-12-05
HTML injection in search UI when selecting a circle with HTML in the display name
Nextcloud Cross-site Scripting (XSS) - Stored (CWE-79)CVE-2023-48301
Low
2023-11-21
[user_oidc] Stored XSS via Authorization Endpoint - Safari-Only
Nextcloud Cross-site Scripting (XSS) - Stored (CWE-79)CVE-2022-39338
Low
2022-12-18
ApiService#fetch serves content as text/html and inline Content-Disposition
Nextcloud Cross-site Scripting (XSS) - Stored (CWE-79)CVE-2021-32733
Unknown
2021-08-11
Stored XSS in markdown file with Nextcloud Talk using Internet Explorer
Nextcloud Cross-site Scripting (XSS) - Stored (CWE-79)CVE-2020-8294
Low
2021-02-19
XSS through image upload of contacts using svg file with png extension
Nextcloud Cross-site Scripting (XSS) - Stored (CWE-79)CVE-2020-8280
Low
2020-12-26
XSS through image upload of contacts using svg file
Nextcloud Cross-site Scripting (XSS) - Stored (CWE-79)CVE-2020-8281
Low
2020-12-17
Stored XSS in collabora via user name
Nextcloud Cross-site Scripting (XSS) - Stored (CWE-79)
Low
2020-09-19
XSS in image metadata field
Nextcloud Cross-site Scripting (XSS) - Stored (CWE-79)
Medium
2020-08-05
Blind Stored XSS on iOS App due to Unsanitized Webview
Nextcloud Cross-site Scripting (XSS) - Stored (CWE-79)CVE-2019-15614
Low
2020-03-07
Stored XSS on scan.nextcloud.com
Nextcloud Cross-site Scripting (XSS) - Stored (CWE-79)
Low
2020-03-01
Persistent XSS via filename in projects
Nextcloud Cross-site Scripting (XSS) - Stored (CWE-79)CVE-2019-15619
Low
2020-03-01
HTML injection and limited XSS via logo image upload - Nextcloud 12.0.0
Nextcloud Cross-site Scripting (XSS) - Stored (CWE-79)
Low
2020-01-31
Persistent XSS on favorite via filename
Nextcloud Cross-site Scripting (XSS) - Stored (CWE-79)
Medium
2019-12-12
XSS On Nextcloud Integrated with zimbra drive
Nextcloud Cross-site Scripting (XSS) - Stored (CWE-79)
Medium
2019-11-11
Stored XSS/HTML injection in autocomplete suggestions for sharing
Nextcloud Cross-site Scripting (XSS) - Stored (CWE-79)
Medium
2019-06-27
Stored XSS in OAuth redirect URI
Nextcloud Cross-site Scripting (XSS) - Stored (CWE-79)
Low
2019-05-11
XSS on IOS app via HTML rendering
Nextcloud Cross-site Scripting (XSS) - Stored (CWE-79)
Low
2017-04-20
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