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.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sun, 18 Oct 2026 12:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sun, 18 Oct 2026 07:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-601

Sun, 18 Oct 2026 06:30:00 +0000

Type Values Removed Values Added
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.
Title Otter Blocks < 3.2.3 - Unauthenticated Open Redirect via Stripe Checkout Block
References

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-10-18T11:12:31.318Z

Reserved: 2026-10-13T11:18:33.392Z

Link: CVE-2026-109937

cve-icon Vulnrichment

Updated: 2026-10-18T10:58:22.967Z

cve-icon NVD

Status : Received

Published: 2026-10-18T07:16:50.927

Modified: 2026-10-18T12:17:05.967

Link: CVE-2026-109937

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-18T14:00:14Z

Weaknesses