CVE-2026-102333
httpdbg before 2.2.1 fails to validate URL schemes in recorded HTTP request URLs rendered as…
- Risk score
- 40/100
- CVSS
- 6.1 v3.1
- Exploit chance (30 days)
- 0.3%
- Published
- 28 Sep 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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 requ…
- Affected
- See advisory
- Fix
- Upgrade the product to 2.2.1 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 6.1 medium
References
- https://github.com/cle-b/httpdbg
- https://github.com/cle-b/httpdbg/blob/v2.2.0/httpdbg/hooks/recordhttp2.py#L88-L97
- https://github.com/cle-b/httpdbg/blob/v2.2.0/httpdbg/webapp/static/index.htm#L302
- https://github.com/cle-b/httpdbg/commit/121845b41c19ddaf30b51be0797bc2ff4847d8b3
- https://github.com/cle-b/httpdbg/issues/220
- https://github.com/cle-b/httpdbg/pull/222
- https://github.com/cle-b/httpdbg/releases/tag/v2.2.1
- https://www.vulncheck.com/advisories/httpdbg-before-2.2.1-stored-cross-site-scripting-via-javascript-url
- https://github.com/cle-b/httpdbg/issues/220
Original 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.
Last activity 28 Sep 2026. Patch Forecast updates every hour.