CVE-2026-18438

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-18438", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-07-30T20:22:04.692Z", "datePublished": "2026-08-15T09:25:18.170Z", "dateUpdated": "2026-08-17T19:38:56.823Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-08-15T09:25:18.170Z"}, "affected": [{"vendor": "wpdevteam", "product": "Templately \u2013 Elementor & Gutenberg Template Library: 6500+ Free & Pro Ready Templates And Cloud!", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "3.7.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Templately \u2013 Elementor & Gutenberg Template Library: 6500+ Free & Pro Ready Templates And Cloud! plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 3.7.1 via the fetch_remote_file function. This is due to a filename validation/destination mismatch in fetch_remote_file, where file type validation is performed against the attacker-controlled Content-Disposition filename rather than the URL-path-derived destination filename. This makes it possible for authenticated attackers, with contributor-level access and above, to execute code on the server. A GIF+PHP polyglot file passes wp_check_filetype_and_ext validation as image/gif via the Content-Disposition filename, while the actual destination path is written with a .php extension derived from the URL path, bypassing the unfiltered_upload capability gate entirely. The affected endpoints are reachable at this privilege level because Templately's entire REST API \u2014 including the cloud import endpoints used in this attack (/templately/v1/clouds/upload and /templately/v1/insert) \u2014 is authorized only by a current_user_can('delete_posts') check, with no administrator or manage_options capability requirement. The same permission gate also allows a contributor to overwrite the site's global Templately cloud connection via the /templately/v1/login endpoint with global_signin set to true. A complete remediation should both correct fetch_remote_file to validate the file type against the actual destination filename rather than the Content-Disposition header (and avoid deriving the write path from the request URL), and restrict state-changing Templately REST routes to an appropriate administrator-level capability."}], "title": "Templately <= 3.7.1 - Authenticated (Contributor+) Arbitrary File Upload to Remote Code Execution via Gutenberg Cloud Import Attachment Filename Mismatch", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/4e68b2f2-12e4-4ff2-919d-26d6b21acd03?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.7.1/includes/Core/Importer/WPImport.php#L1423"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.7.1/includes/Core/Importer/WPImport.php#L1200"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.7.1/includes/Core/Importer/WPImport.php#L1391"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.7.1/includes/Core/Platform/Gutenberg.php#L177"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.7.1/includes/API/Import.php#L78"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.7.1/includes/API/MyClouds.php#L103"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.7.1/includes/API/API.php#L128"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.6.5/includes/Core/Importer/WPImport.php#L1423"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.6.5/includes/Core/Importer/WPImport.php#L1200"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.6.5/includes/Core/Importer/WPImport.php#L1391"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.6.5/includes/Core/Platform/Gutenberg.php#L177"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.6.5/includes/API/Import.php#L78"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.6.5/includes/API/MyClouds.php#L103"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.6.5/includes/API/API.php#L128"}, {"url": "https://plugins.trac.wordpress.org/changeset?reponame=&new=3636643%40templately%2Ftags%2F3.7.2&old=3624408%40templately%2Ftags%2F3.7.1"}, {"url": "https://plugins.trac.wordpress.org/changeset/3636643/templately/trunk/includes/Core/Importer/WPImport.php"}, {"url": "https://plugins.trac.wordpress.org/changeset?old_path=%2Ftemplately/tags/3.7.1&new_path=%2Ftemplately/tags/3.7.2"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-434 Unrestricted Upload of File with Dangerous Type", "cweId": "CWE-434", "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:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH"}}], "credits": [{"lang": "en", "type": "finder", "value": "Dmitrii Ignatyev"}], "timeline": [{"time": "2026-07-30T20:38:18.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-08-14T20:45:28.000Z", "lang": "en", "value": "Disclosed"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-18438", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-08-17T19:26:10.332711Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-17T19:38:56.823Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-18438", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-07-30T20:22:04.692Z", "datePublished": "2026-08-15T09:25:18.170Z", "dateUpdated": "2026-08-15T09:25:18.170Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-08-15T09:25:18.170Z"}, "affected": [{"vendor": "wpdevteam", "product": "Templately \u2013 Elementor & Gutenberg Template Library: 6500+ Free & Pro Ready Templates And Cloud!", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "3.7.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Templately \u2013 Elementor & Gutenberg Template Library: 6500+ Free & Pro Ready Templates And Cloud! plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 3.7.1 via the fetch_remote_file function. This is due to a filename validation/destination mismatch in fetch_remote_file, where file type validation is performed against the attacker-controlled Content-Disposition filename rather than the URL-path-derived destination filename. This makes it possible for authenticated attackers, with contributor-level access and above, to execute code on the server. A GIF+PHP polyglot file passes wp_check_filetype_and_ext validation as image/gif via the Content-Disposition filename, while the actual destination path is written with a .php extension derived from the URL path, bypassing the unfiltered_upload capability gate entirely. The affected endpoints are reachable at this privilege level because Templately's entire REST API \u2014 including the cloud import endpoints used in this attack (/templately/v1/clouds/upload and /templately/v1/insert) \u2014 is authorized only by a current_user_can('delete_posts') check, with no administrator or manage_options capability requirement. The same permission gate also allows a contributor to overwrite the site's global Templately cloud connection via the /templately/v1/login endpoint with global_signin set to true. A complete remediation should both correct fetch_remote_file to validate the file type against the actual destination filename rather than the Content-Disposition header (and avoid deriving the write path from the request URL), and restrict state-changing Templately REST routes to an appropriate administrator-level capability."}], "title": "Templately <= 3.7.1 - Authenticated (Contributor+) Arbitrary File Upload to Remote Code Execution via Gutenberg Cloud Import Attachment Filename Mismatch", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/4e68b2f2-12e4-4ff2-919d-26d6b21acd03?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.7.1/includes/Core/Importer/WPImport.php#L1423"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.7.1/includes/Core/Importer/WPImport.php#L1200"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.7.1/includes/Core/Importer/WPImport.php#L1391"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.7.1/includes/Core/Platform/Gutenberg.php#L177"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.7.1/includes/API/Import.php#L78"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.7.1/includes/API/MyClouds.php#L103"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.7.1/includes/API/API.php#L128"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.6.5/includes/Core/Importer/WPImport.php#L1423"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.6.5/includes/Core/Importer/WPImport.php#L1200"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.6.5/includes/Core/Importer/WPImport.php#L1391"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.6.5/includes/Core/Platform/Gutenberg.php#L177"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.6.5/includes/API/Import.php#L78"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.6.5/includes/API/MyClouds.php#L103"}, {"url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.6.5/includes/API/API.php#L128"}, {"url": "https://plugins.trac.wordpress.org/changeset?reponame=&new=3636643%40templately%2Ftags%2F3.7.2&old=3624408%40templately%2Ftags%2F3.7.1"}, {"url": "https://plugins.trac.wordpress.org/changeset/3636643/templately/trunk/includes/Core/Importer/WPImport.php"}, {"url": "https://plugins.trac.wordpress.org/changeset?old_path=%2Ftemplately/tags/3.7.1&new_path=%2Ftemplately/tags/3.7.2"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-434 Unrestricted Upload of File with Dangerous Type", "cweId": "CWE-434", "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:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH"}}], "credits": [{"lang": "en", "type": "finder", "value": "Dmitrii Ignatyev"}], "timeline": [{"time": "2026-07-30T20:38:18.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-08-14T20:45:28.000Z", "lang": "en", "value": "Disclosed"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-18438", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-08-17T19:26:10.332711Z"}}}], "providerMetadata": {"shortName": "CISA-ADP", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "dateUpdated": "2026-08-17T19:28:52.905Z"}, "title": "CISA ADP Vulnrichment"}]}}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Templately \u2013 Elementor & Gutenberg Template Library: 6500+ Free & Pro Ready Templates And Cloud!", "vendor": "wpdevteam", "versions": [{"lessThanOrEqual": "3.7.1", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Templately \u2013 Elementor & Gutenberg Template Library: 6500+ Free & Pro Ready Templates And Cloud! plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 3.7.1 via the fetch_remote_file function. This is due to a filename validation/destination mismatch in fetch_remote_file, where file type validation is performed against the attacker-controlled Content-Disposition filename rather than the URL-path-derived destination filename. This makes it possible for authenticated attackers, with contributor-level access and above, to execute code on the server. A GIF+PHP polyglot file passes wp_check_filetype_and_ext validation as image/gif via the Content-Disposition filename, while the actual destination path is written with a .php extension derived from the URL path, bypassing the unfiltered_upload capability gate entirely. The affected endpoints are reachable at this privilege level because Templately's entire REST API \u2014 including the cloud import endpoints used in this attack (/templately/v1/clouds/upload and /templately/v1/insert) \u2014 is authorized only by a current_user_can('delete_posts') check, with no administrator or manage_options capability requirement. The same permission gate also allows a contributor to overwrite the site's global Templately cloud connection via the /templately/v1/login endpoint with global_signin set to true. A complete remediation should both correct fetch_remote_file to validate the file type against the actual destination filename rather than the Content-Disposition header (and avoid deriving the write path from the request URL), and restrict state-changing Templately REST routes to an appropriate administrator-level capability."}], "id": "CVE-2026-18438", "lastModified": "2026-08-20T12:48:10.287", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "security@wordfence.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-18438", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-17T19:26:10.332711Z", "version": "2.0.3"}}]}, "published": "2026-08-15T10:16:29.413", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.6.5/includes/API/API.php#L128"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.6.5/includes/API/Import.php#L78"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.6.5/includes/API/MyClouds.php#L103"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.6.5/includes/Core/Importer/WPImport.php#L1200"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.6.5/includes/Core/Importer/WPImport.php#L1391"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.6.5/includes/Core/Importer/WPImport.php#L1423"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.6.5/includes/Core/Platform/Gutenberg.php#L177"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.7.1/includes/API/API.php#L128"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.7.1/includes/API/Import.php#L78"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.7.1/includes/API/MyClouds.php#L103"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.7.1/includes/Core/Importer/WPImport.php#L1200"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.7.1/includes/Core/Importer/WPImport.php#L1391"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.7.1/includes/Core/Importer/WPImport.php#L1423"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/templately/tags/3.7.1/includes/Core/Platform/Gutenberg.php#L177"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3636643/templately/trunk/includes/Core/Importer/WPImport.php"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset?old_path=%2Ftemplately/tags/3.7.1&new_path=%2Ftemplately/tags/3.7.2"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset?reponame=&new=3636643%40templately%2Ftags%2F3.7.2&old=3624408%40templately%2Ftags%2F3.7.1"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/4e68b2f2-12e4-4ff2-919d-26d6b21acd03?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-434"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}

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