CVE-2026-109937
MEDIUM
CVSS 5.4
Published: 2026-10-18
Modified: 2026-10-19
Tenable Plugin
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Threat Intelligence Pending
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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.
Quick Facts
| CVE ID | CVE-2026-109937 |
| CVSS Score | 5.4 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N |
| Published | 2026-10-18 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |