{"schema":"threatline.record/2","record":{"id":"CVE-2026-109937","aliases":[],"summary":"Otter Blocks < 3.2.3 - Unauthenticated Open Redirect via Stripe Checkout Block","details":"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.","categories":["Unclassified"],"product":"Otter Blocks","vendor":"Unknown","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109937","source_modified_at":"2026-10-18T11:12:31.318Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"Otter Blocks","vendor":"Unknown","versions":[{"status":"affected","versionType":"semver","version":"0","lessThan":"3.2.3"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109937","source_modified_at":"2026-10-18T11:12:31.318Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"Otter Blocks","ecosystem":null},"version":"3.2.3","basis":"first unaffected version stated in the CVE record"}],"cvss":5.4,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00146,"percentile":0.03474,"score_date":"2026-10-23"},"published_at":"2026-10-18T06:00:14.838Z","modified_at":"2026-10-18T11:12:31.318Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-109937","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-18T11:12:31.318Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-109937","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://wpscan.com/vulnerability/9765313d-c879-457f-851f-dab74b8d90a0/","tags":["exploit","vdb-entry","technical-description"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-18T10:58:37.704515Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-18T11:12:31.318Z","content_hash":"d7a0ddaf5989ae0559d9328acfbd721e97cb77438718328ad054900f277d39d2"}}