CVE-2026-56330
Capgo - Open Redirect via Unvalidated Stripe Billing URLs
- State
- Published
- Severity
- 4.8 Medium
- Published
- Jun 20, 2026
- Updated
- Jun 23, 2026
- Reserved
- Jun 20, 2026
Description
Capgo before 12.128.2 contains an open redirect vulnerability in stripe_portal and stripe_checkout endpoints that accept unvalidated callbackUrl, successUrl, and cancelUrl parameters. Authenticated attackers can craft malicious billing URLs to redirect users to attacker-controlled domains for phishing and credential harvesting.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 3.5 Low | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N | VulnCheck |
Weaknesses
- CWE-601 URL Redirection to Untrusted Site ('Open Redirect')
Affected Products
| Product | Versions |
|---|---|
CapgoCapgo |
|
References
- GHSA Advisory GHSA-grc7-98pf-h8hqvendor-advisory
- VulnCheck Advisory: Capgo - Open Redirect via Unvalidated Stripe Billing URLsthird-party-advisory
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