CVE-2026-109937
Otter Blocks < 3.2.3 - Unauthenticated Open Redirect via Stripe Checkout Block
- State
- Published
- Severity
- 5.4 Medium
- Published
- Oct 18, 2026
- Updated
- Oct 18, 2026
- Reserved
- Oct 13, 2026
Description
The Otter Blocks WordPress plugin before 3.2.3 does not validate that a user-supplied return URL belongs to the site before using it to build the return destination of a Stripe Checkout session, allowing unauthenticated attackers to redirect victims who complete or cancel checkout to an arbitrary external URL.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.4 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N | CISA-ADP |
Weaknesses
- CWE-601 URL Redirection to Untrusted Site ('Open Redirect')
Affected Products
| Product | Versions |
|---|---|
Otter BlocksUnknown |
|
References
- https://wpscan.com/vulnerability/9765313d-c879-457f-851f-dab74b8d90a0/exploitvdb-entrytechnical-description
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