Vulnerability · Published Jun 20, 2026 · Assigned by VulnCheck
CVE-2026-56330Capgo - Open Redirect via Unvalidated Stripe Billing URLs
Low 3.5
In plain English
A low-severity open redirect in Capgo from Capgo. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Severity (CVSS 3.1)3.5Low
Exploit odds (30 days)0.3%top 83.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-601 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
References
- GHSA Advisory GHSA-grc7-98pf-h8hq vendor-advisory
- VulnCheck Advisory: Capgo - Open Redirect via Unvalidated Stripe Billing URLs third-party-advisory