{"id":"CVE-2026-12136","aliases":["EUVD-2026-37859","GHSA-84h2-q86p-qhrg"],"status":"published","title":"SysBasics Customize My Account for WooCommerce \u003c= 4.3.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes","description":"The Customize My Account For Woocommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'sysbasics_user_avatar' shortcode in versions up to, and including, 4.3.6. This is due to insufficient input sanitization and output escaping on user supplied attributes (min_height, min_width, max_height, max_width) in the wcmamtx_get_avatar_default() function, which are concatenated unescaped into the get_avatar() extra_attr style attribute. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","severity":{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00188,"percentile":0.08406,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-06-18T06:50:04Z","modified":"2026-06-18T15:23:56Z","products":[{"vendor":"phppoet","product":"sysbasics customize my account for woocommerce – dashboard, endpoints, avatar \u0026 menu manager"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/44d041ca-caa6-410d-b2d1-7a63208cc512?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/customize-my-account-for-woocommerce/tags/4.3.6/include/wcmamtx_extra_functions.php#L163"},{"url":"https://plugins.trac.wordpress.org/browser/customize-my-account-for-woocommerce/tags/4.3.6/include/sysbasics-avatar-upload.php#L524"},{"url":"https://plugins.trac.wordpress.org/browser/customize-my-account-for-woocommerce/tags/4.3.6/include/sysbasics-avatar-upload.php#L573"},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026old=3571110%40customize-my-account-for-woocommerce\u0026new=3571110%40customize-my-account-for-woocommerce\u0026sfp_email=\u0026sfph_mail="},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12136"},{"url":"https://github.com/advisories/GHSA-84h2-q86p-qhrg"}],"sources":{"cve":[{"id":"CVE-2026-12136","title":"SysBasics Customize My Account for WooCommerce \u003c= 4.3.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes","description":"The Customize My Account For Woocommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'sysbasics_user_avatar' shortcode in versions up to, and including, 4.3.6. This is due to insufficient input sanitization and output escaping on user supplied attributes (min_height, min_width, max_height, max_width) in the wcmamtx_get_avatar_default() function, which are concatenated unescaped into the get_avatar() extra_attr style attribute. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2026-06-18T06:50:04.743Z","modified":"2026-06-18T12:31:19.266Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:19:47.998488Z"}],"euvd":[{"id":"EUVD-2026-37859","description":"The Customize My Account For Woocommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'sysbasics_user_avatar' shortcode in versions up to, and including, 4.3.6. This is due to insufficient input sanitization and output escaping on user supplied attributes (min_height, min_width, max_height, max_width) in the wcmamtx_get_avatar_default() function, which are concatenated unescaped into the get_avatar() extra_attr style attribute. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2026-06-18T06:50:04Z","modified":"2026-06-18T12:31:19Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:20:36.672794Z"}],"ghsa":[{"id":"GHSA-84h2-q86p-qhrg","title":"The Customize My Account For Woocommerce plugin for WordPress is vulnerable to Stored Cross-Site...","description":"The Customize My Account For Woocommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'sysbasics_user_avatar' shortcode in versions up to, and including, 4.3.6. This is due to insufficient input sanitization and output escaping on user supplied attributes (min_height, min_width, max_height, max_width) in the wcmamtx_get_avatar_default() function, which are concatenated unescaped into the get_avatar() extra_attr style attribute. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2026-06-18T12:40:25Z","modified":"2026-06-18T12:40:32Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:08:53.737891Z"}],"nvd":[{"id":"CVE-2026-12136","description":"The Customize My Account For Woocommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'sysbasics_user_avatar' shortcode in versions up to, and including, 4.3.6. This is due to insufficient input sanitization and output escaping on user supplied attributes (min_height, min_width, max_height, max_width) in the wcmamtx_get_avatar_default() function, which are concatenated unescaped into the get_avatar() extra_attr style attribute. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2026-06-18T08:16:33.49Z","modified":"2026-06-18T15:23:56.087Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:24.544761Z"}]}}