{"id":"CVE-2026-6403","aliases":["EUVD-2026-30517","GHSA-5vxp-83xg-5c9f"],"status":"published","title":"Quick Playground \u003c= 1.3.3 - Unauthenticated Path Traversal to Arbitrary File Read via 'stylesheet' Parameter","description":"The Quick Playground plugin for WordPress is vulnerable to Path Traversal in versions up to and including 1.3.3. This is due to insufficient path validation in the qckply_zip_theme() function, which appends a user-controlled 'stylesheet' parameter directly to the theme root directory path without sanitizing directory traversal sequences. This makes it possible for unauthenticated attackers to trigger the creation of a ZIP archive containing arbitrary files from the server's filesystem — including wp-config.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00811,"percentile":0.57195,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2026-05-15T07:46:38Z","modified":"2026-06-17T11:00:47Z","products":[{"vendor":"davidfcarr","product":"quick playground"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/a39dccb6-b635-44af-b0e0-c3010b719773?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/quick-playground/trunk/utility.php#L162"},{"url":"https://plugins.trac.wordpress.org/browser/quick-playground/tags/1.3.1/utility.php#L162"},{"url":"https://plugins.trac.wordpress.org/browser/quick-playground/trunk/api.php#L62"},{"url":"https://plugins.trac.wordpress.org/browser/quick-playground/tags/1.3.1/api.php#L62"},{"url":"https://plugins.trac.wordpress.org/browser/quick-playground/trunk/utility.php#L248"},{"url":"https://plugins.trac.wordpress.org/browser/quick-playground/tags/1.3.1/utility.php#L248"},{"url":"https://plugins.trac.wordpress.org/browser/quick-playground/trunk/api.php#L631"},{"url":"https://plugins.trac.wordpress.org/browser/quick-playground/tags/1.3.1/api.php#L631"},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026old=3523317%40quick-playground\u0026new=3523317%40quick-playground\u0026sfp_email=\u0026sfph_mail="},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026old=3514238%40quick-playground\u0026new=3514238%40quick-playground\u0026sfp_email=\u0026sfph_mail="},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6403"},{"url":"https://github.com/advisories/GHSA-5vxp-83xg-5c9f"}],"sources":{"cve":[{"id":"CVE-2026-6403","title":"Quick Playground \u003c= 1.3.3 - Unauthenticated Path Traversal to Arbitrary File Read via 'stylesheet' Parameter","description":"The Quick Playground plugin for WordPress is vulnerable to Path Traversal in versions up to and including 1.3.3. This is due to insufficient path validation in the qckply_zip_theme() function, which appends a user-controlled 'stylesheet' parameter directly to the theme root directory path without sanitizing directory traversal sequences. This makes it possible for unauthenticated attackers to trigger the creation of a ZIP archive containing arbitrary files from the server's filesystem — including wp-config.","status":"published","published":"2026-05-15T07:46:38.191Z","modified":"2026-05-15T13:26:51.114Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T13:49:53.818886Z"}],"euvd":[{"id":"EUVD-2026-30517","description":"The Quick Playground plugin for WordPress is vulnerable to Path Traversal in versions up to and including 1.3.3. This is due to insufficient path validation in the qckply_zip_theme() function, which appends a user-controlled 'stylesheet' parameter directly to the theme root directory path without sanitizing directory traversal sequences. This makes it possible for unauthenticated attackers to trigger the creation of a ZIP archive containing arbitrary files from the server's filesystem — including wp-config.","status":"published","published":"2026-05-15T07:46:38Z","modified":"2026-05-15T13:26:51Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T19:04:28.872228Z"}],"ghsa":[{"id":"GHSA-5vxp-83xg-5c9f","title":"The Quick Playground plugin for WordPress is vulnerable to Path Traversal in versions up to and...","description":"The Quick Playground plugin for WordPress is vulnerable to Path Traversal in versions up to and including 1.3.3. This is due to insufficient path validation in the qckply_zip_theme() function, which appends a user-controlled 'stylesheet' parameter directly to the theme root directory path without sanitizing directory traversal sequences. This makes it possible for unauthenticated attackers to trigger the creation of a ZIP archive containing arbitrary files from the server's filesystem — including wp-config.","status":"published","published":"2026-05-15T09:31:32Z","modified":"2026-05-15T09:31:43Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:08:10.185094Z"}],"nvd":[{"id":"CVE-2026-6403","description":"The Quick Playground plugin for WordPress is vulnerable to Path Traversal in versions up to and including 1.3.3. This is due to insufficient path validation in the qckply_zip_theme() function, which appends a user-controlled 'stylesheet' parameter directly to the theme root directory path without sanitizing directory traversal sequences. This makes it possible for unauthenticated attackers to trigger the creation of a ZIP archive containing arbitrary files from the server's filesystem — including wp-config.","status":"published","published":"2026-05-15T09:16:16.973Z","modified":"2026-06-17T11:00:47.197Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:12:19.39893Z"}]}}