{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-2892", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-02-20T18:15:09.231Z", "datePublished": "2026-04-30T13:28:21.322Z", "dateUpdated": "2026-04-30T13:28:21.322Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-04-30T13:28:21.322Z"}, "affected": [{"vendor": "themeisle", "product": "Otter Blocks \u2013 Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "3.1.4", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Otter Blocks plugin for WordPress is vulnerable to Purchase Verification Bypass in all versions up to, and including, 3.1.4. This is due to the 'get_customer_data' method relying on an unsigned 'o_stripe_data' cookie to determine Stripe product ownership for unauthenticated users. The 'check_purchase' method trusts this cookie data without performing server-side verification against the Stripe API for one-time 'payment' mode purchases. This makes it possible for unauthenticated attackers to bypass Stripe purchase-gated content visibility conditions by forging the 'o_stripe_data' cookie with a target product ID, which is publicly exposed in the checkout block's HTML source."}], "title": "Otter Blocks <= 3.1.4 - Improper Authorization to Unauthenticated Purchase Verification Bypass via Forged Cookie", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/3443950f-1f94-4e0b-8906-1a9b9602a746?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/otter-blocks/trunk/inc/plugins/class-stripe-api.php#L260"}, {"url": "https://plugins.trac.wordpress.org/browser/otter-blocks/trunk/inc/plugins/class-stripe-api.php#L284"}, {"url": "https://plugins.trac.wordpress.org/browser/otter-blocks/trunk/inc/plugins/class-block-conditions.php#L274"}, {"url": "https://plugins.trac.wordpress.org/changeset/3471326/"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-285 Improper Authorization", "cweId": "CWE-285", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "credits": [{"lang": "en", "type": "finder", "value": "Drew Webber"}], "timeline": [{"time": "2026-02-20T18:35:32.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-04-29T00:00:00.000Z", "lang": "en", "value": "Disclosed"}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Otter Blocks plugin for WordPress is vulnerable to Purchase Verification Bypass in all versions up to, and including, 3.1.4. This is due to the 'get_customer_data' method relying on an unsigned 'o_stripe_data' cookie to determine Stripe product ownership for unauthenticated users. The 'check_purchase' method trusts this cookie data without performing server-side verification against the Stripe API for one-time 'payment' mode purchases. This makes it possible for unauthenticated attackers to bypass Stripe purchase-gated content visibility conditions by forging the 'o_stripe_data' cookie with a target product ID, which is publicly exposed in the checkout block's HTML source."}], "id": "CVE-2026-2892", "lastModified": "2026-04-30T14:52:54.847", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security@wordfence.com", "type": "Primary"}]}, "published": "2026-04-30T14:16:29.760", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/otter-blocks/trunk/inc/plugins/class-block-conditions.php#L274"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/otter-blocks/trunk/inc/plugins/class-stripe-api.php#L260"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/otter-blocks/trunk/inc/plugins/class-stripe-api.php#L284"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3471326/"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/3443950f-1f94-4e0b-8906-1a9b9602a746?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-285"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

{}