{"id":"CVE-2026-109937","title":"Otter Blocks < 3.2.3 - Unauthenticated Open Redirect via Stripe Checkout Block","summary":"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 red…","severity":"none","cwe":["CWE-601"],"product":"Otter Blocks","affected":["otter_blocks < 3.2.3"],"published":"2026-10-18","updated":"2026-10-18","sourceUpdated":"2026-10-18T06:00:14.838Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-109937","references":[{"url":"https://wpscan.com/vulnerability/9765313d-c879-457f-851f-dab74b8d90a0/"}],"tags":["cve.org"],"ingestedAt":"2026-10-18T06:38:27.436Z","slug":"CVE-2026-109937","body":"## Overview\n\nThe 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.\n\n## Affected\n\n- `otter_blocks < 3.2.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}