{"id":"CVE-2026-1093","aliases":["EUVD-2026-13996","GHSA-v6ph-2p6j-56h7"],"status":"published","title":"WPFAQBlock– FAQ \u0026 Accordion Plugin For Gutenberg \u003c= 1.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'class' Shortcode Attribute","description":"The WPFAQBlock– FAQ \u0026 Accordion Plugin For Gutenberg plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'class' parameter of the 'wpfaqblock' shortcode in all versions up to, and including, 1.1 due to insufficient input sanitization and output escaping on user supplied attributes. 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":0.00258,"percentile":0.1755,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-03-21T03:26:40Z","modified":"2026-06-17T10:14:58Z","products":[{"vendor":"creativewerkdesigns","product":"wpfaqblock– faq \u0026 accordion plugin for gutenberg"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/3a3147b5-0362-4299-8339-655eaade948e?source=cve"},{"url":"https://wordpress.org/plugins/wpfaqblock/"},{"url":"https://plugins.trac.wordpress.org/browser/wpfaqblock/trunk/includes/templates/template-1.php#L10"},{"url":"https://plugins.trac.wordpress.org/browser/wpfaqblock/tags/1.1/includes/templates/template-1.php#L10"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1093"},{"url":"https://wordpress.org/plugins/wpfaqblock"},{"url":"https://github.com/advisories/GHSA-v6ph-2p6j-56h7"}],"sources":{"cve":[{"id":"CVE-2026-1093","title":"WPFAQBlock– FAQ \u0026 Accordion Plugin For Gutenberg \u003c= 1.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'class' Shortcode Attribute","description":"The WPFAQBlock– FAQ \u0026 Accordion Plugin For Gutenberg plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'class' parameter of the 'wpfaqblock' shortcode in all versions up to, and including, 1.1 due to insufficient input sanitization and output escaping on user supplied attributes. 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":"2026-03-21T03:26:40.865Z","modified":"2026-04-08T16:46:58.148Z","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":"2026-11-02T14:20:01.271368Z"}],"euvd":[{"id":"EUVD-2026-13996","description":"The WPFAQBlock– FAQ \u0026 Accordion Plugin For Gutenberg plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'class' parameter of the 'wpfaqblock' shortcode in all versions up to, and including, 1.1 due to insufficient input sanitization and output escaping on user supplied attributes. 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":"2026-03-21T03:26:40Z","modified":"2026-04-08T16:46:58Z","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":"2026-11-02T19:25:02.846408Z"}],"ghsa":[{"id":"GHSA-v6ph-2p6j-56h7","title":"The WPFAQBlock– FAQ \u0026 Accordion Plugin For Gutenberg plugin for WordPress is vulnerable to Stored...","description":"The WPFAQBlock– FAQ \u0026 Accordion Plugin For Gutenberg plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'class' parameter of the 'wpfaqblock' shortcode in all versions up to, and including, 1.1 due to insufficient input sanitization and output escaping on user supplied attributes. 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":"2026-03-21T06:30:22Z","modified":"2026-03-21T06:30:24Z","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":"2026-11-02T15:06:45.356317Z"}],"nvd":[{"id":"CVE-2026-1093","description":"The WPFAQBlock– FAQ \u0026 Accordion Plugin For Gutenberg plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'class' parameter of the 'wpfaqblock' shortcode in all versions up to, and including, 1.1 due to insufficient input sanitization and output escaping on user supplied attributes. 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":"2026-03-21T04:16:51.683Z","modified":"2026-06-17T10:14:58.927Z","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":"2026-11-02T14:12:10.126802Z"}]}}