{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-18027", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-07-28T05:50:17.888Z", "datePublished": "2026-08-22T23:27:19.268Z", "dateUpdated": "2026-08-22T23:27:19.268Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-08-22T23:27:19.268Z"}, "affected": [{"vendor": "webtoffee", "product": "WebToffee WooCommerce PDF Invoices, Packing Slips, Delivery Notes & Shipping Labels", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "4.9.8", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The WebToffee WooCommerce PDF Invoices, Packing Slips, Delivery Notes & Shipping Labels plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 4.9.8 via the get_image_src_in_base64 function. This makes it possible for authenticated attackers, with subscriber-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information. The base64-encoded file contents are embedded into the cached invoice HTML and served directly to the attacker via the plugin's own Print/Download invoice endpoints, which require only a valid nonce and access key."}], "title": "WebToffee WooCommerce PDF Invoices, Packing Slips, Delivery Notes & Shipping Labels <= 4.9.8 - Authenticated (Subscriber+) Arbitrary File Read via 'customer_note' Parameter", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/a46f270f-d9cb-4bc1-8e10-3fc6646e1d78?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/print-invoices-packing-slip-labels-for-woocommerce/tags/4.9.8/admin/modules/customizer/customizer.php#L1561"}, {"url": "https://plugins.trac.wordpress.org/browser/print-invoices-packing-slip-labels-for-woocommerce/tags/4.9.8/admin/modules/customizer/customizer.php#L1607"}, {"url": "https://plugins.trac.wordpress.org/browser/print-invoices-packing-slip-labels-for-woocommerce/tags/4.9.8/admin/modules/customizer/classes/class-customizer.php#L1453"}, {"url": "https://plugins.trac.wordpress.org/browser/print-invoices-packing-slip-labels-for-woocommerce/tags/4.9.8/public/modules/invoice/invoice.php#L1934"}, {"url": "https://plugins.trac.wordpress.org/changeset/3646629/print-invoices-packing-slip-labels-for-woocommerce"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "cweId": "CWE-22", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM"}}], "credits": [{"lang": "en", "type": "finder", "value": "daroo"}], "timeline": [{"time": "2026-08-06T08:41:52.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-08-22T10:37:45.000Z", "lang": "en", "value": "Disclosed"}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "WebToffee WooCommerce PDF Invoices, Packing Slips, Delivery Notes & Shipping Labels", "vendor": "webtoffee", "versions": [{"lessThanOrEqual": "4.9.8", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The WebToffee WooCommerce PDF Invoices, Packing Slips, Delivery Notes & Shipping Labels plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 4.9.8 via the get_image_src_in_base64 function. This makes it possible for authenticated attackers, with subscriber-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information. The base64-encoded file contents are embedded into the cached invoice HTML and served directly to the attacker via the plugin's own Print/Download invoice endpoints, which require only a valid nonce and access key."}], "id": "CVE-2026-18027", "lastModified": "2026-08-23T00:16:50.370", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "security@wordfence.com", "type": "Primary"}]}, "published": "2026-08-23T00:16:50.370", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/print-invoices-packing-slip-labels-for-woocommerce/tags/4.9.8/admin/modules/customizer/classes/class-customizer.php#L1453"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/print-invoices-packing-slip-labels-for-woocommerce/tags/4.9.8/admin/modules/customizer/customizer.php#L1561"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/print-invoices-packing-slip-labels-for-woocommerce/tags/4.9.8/admin/modules/customizer/customizer.php#L1607"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/print-invoices-packing-slip-labels-for-woocommerce/tags/4.9.8/public/modules/invoice/invoice.php#L1934"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3646629/print-invoices-packing-slip-labels-for-woocommerce"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/a46f270f-d9cb-4bc1-8e10-3fc6646e1d78?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

{"created": "2026-08-23T00:30:17.626526+00:00", "updated": "2026-08-23T00:30:17.626531+00:00", "vendors": []}