{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-2996", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-02-23T00:50:08.677Z", "datePublished": "2026-08-22T13:27:14.956Z", "dateUpdated": "2026-08-22T13:27:14.956Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-08-22T13:27:14.956Z"}, "affected": [{"vendor": "maartenbelmans", "product": "Advanced Product Fields (Product Addons) for WooCommerce", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "1.6.21", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Advanced Product Fields (Product Addons) for WooCommerce plugin for WordPress is vulnerable to Improper Input Validation in all versions up to, and including, 1.6.21. This is due to a logic flaw in the 'validate_cart_data' function. This makes it possible for unauthenticated attackers to bypass required paid addons and complete purchases at the base product price only, effectively stealing products by paying a fraction of the intended total. The vulnerability was partially patched in version 1.6.19."}], "title": "Advanced Product Fields (Product Addons) for WooCommerce <= 1.6.21 - Unauthenticated Improper Input Validation to Price Bypass via Add-to-Cart POST Request", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/5d9c1c3d-6882-4425-8d32-bdb57b4f133d?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/advanced-product-fields-for-woocommerce/trunk/includes/controllers/class-product-controller.php#L130"}, {"url": "https://plugins.trac.wordpress.org/changeset/3477476/"}, {"url": "https://plugins.trac.wordpress.org/changeset/3483410/"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-20 Improper Input Validation", "cweId": "CWE-20", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "credits": [{"lang": "en", "type": "finder", "value": "Andr\u00e9s Cruciani"}], "timeline": [{"time": "2026-02-23T01:08:22.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-08-21T00:00:00.000Z", "lang": "en", "value": "Disclosed"}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Advanced Product Fields (Product Addons) for WooCommerce", "vendor": "maartenbelmans", "versions": [{"lessThanOrEqual": "1.6.21", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Advanced Product Fields (Product Addons) for WooCommerce plugin for WordPress is vulnerable to Improper Input Validation in all versions up to, and including, 1.6.21. This is due to a logic flaw in the 'validate_cart_data' function. This makes it possible for unauthenticated attackers to bypass required paid addons and complete purchases at the base product price only, effectively stealing products by paying a fraction of the intended total. The vulnerability was partially patched in version 1.6.19."}], "id": "CVE-2026-2996", "lastModified": "2026-08-22T14:16:32.807", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security@wordfence.com", "type": "Primary"}]}, "published": "2026-08-22T14:16:32.807", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/advanced-product-fields-for-woocommerce/trunk/includes/controllers/class-product-controller.php#L130"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3477476/"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3483410/"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/5d9c1c3d-6882-4425-8d32-bdb57b4f133d?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.6.21]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "matching", "scores": [{"score": 99.0, "source": "matching"}]}, "original": {"product": "Advanced Product Fields (Product Addons) for WooCommerce", "source": "cna", "vendor": "maartenbelmans"}, "product": "advanced_product_fields_product_addons_for_woocommerce", "vendor": "maartenbelmans"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": null}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "wordpress", "vendor": "wordpress"}], "created": "2026-08-22T14:30:17.326585+00:00", "updated": "2026-08-22T14:30:17.442045+00:00", "vendors": ["maartenbelmans", "maartenbelmans$PRODUCT$advanced_product_fields_product_addons_for_woocommerce", "wordpress", "wordpress$PRODUCT$wordpress"]}