CVE-2026-102333
httpdbg before 2.2.1 Stored Cross-Site Scripting via javascript URL
- State
- Published
- Severity
- 5.3 Medium
- Published
- Sep 28, 2026
- Updated
- Sep 29, 2026
- Reserved
- Sep 28, 2026
Description
httpdbg before 2.2.1 fails to validate URL schemes in recorded HTTP request URLs rendered as clickable links in the web interface. Attackers controlling traffic recorded by httpdbg can supply javascript: scheme URLs that execute malicious scripts in the application origin when clicked, allowing access to captured request and response data including headers and tokens.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N | VulnCheck |
| 3.1 | 6.1 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | VulnCheck |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
httpdbgcle-b |
|
References
- https://github.com/cle-b/httpdbg/issues/220issue-tracking
- https://github.com/cle-b/httpdbg/pull/222patchissue-tracking
- https://github.com/cle-b/httpdbg/commit/121845b41c19ddaf30b51be0797bc2ff4847d8b3patch
- httpdbg v2.2.1 Release Notesrelease-notes
- https://github.com/cle-b/httpdbg/blob/v2.2.0/httpdbg/webapp/static/index.htm#L302technical-description
- https://github.com/cle-b/httpdbg/blob/v2.2.0/httpdbg/hooks/recordhttp2.py#L88-L97technical-description
- https://github.com/cle-b/httpdbgproduct
- VulnCheck Advisory: httpdbg before 2.2.1 Stored Cross-Site Scripting via javascript URLthird-party-advisory
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