{"id":"CVE-2024-4891","aliases":["EUVD-2024-44459","GHSA-9m45-35mq-gcp6"],"status":"published","title":"Essential Blocks – Page Builder Gutenberg Blocks, Patterns \u0026 Templates \u003c= 4.5.12 - Authenticated (Contributor+) Stored Cross-Site Scripting","description":"The Essential Blocks – Page Builder Gutenberg Blocks, Patterns \u0026 Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘tagName’ parameter in versions up to, and including, 4.5.12 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions 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":"2026-11-10","score":0.00468,"percentile":0.40805,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2024-05-18T04:30:53Z","modified":"2026-06-17T08:03:07Z","products":[{"vendor":"wpdeveloper","product":"essential_blocks"},{"vendor":"wpdevteam","product":"gutenberg essential blocks – page builder for gutenberg blocks \u0026 patterns"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/e1bcebb3-920b-40cc-aa5c-24a1f729b28d?source=cve","tags":["x_transferred","Third Party Advisory"]},{"url":"https://plugins.trac.wordpress.org/browser/essential-blocks/trunk/blocks/AdvancedHeading.php#L115","tags":["x_transferred","Product"]},{"url":"https://plugins.trac.wordpress.org/changeset/3087677/","tags":["x_transferred","Patch","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-4891"},{"url":"https://plugins.trac.wordpress.org/changeset/3087677"},{"url":"https://github.com/advisories/GHSA-9m45-35mq-gcp6"}],"sources":{"cve":[{"id":"CVE-2024-4891","title":"Essential Blocks – Page Builder Gutenberg Blocks, Patterns \u0026 Templates \u003c= 4.5.12 - Authenticated (Contributor+) Stored Cross-Site Scripting","description":"The Essential Blocks – Page Builder Gutenberg Blocks, Patterns \u0026 Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘tagName’ parameter in versions up to, and including, 4.5.12 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2024-05-18T04:30:53.061Z","modified":"2026-04-08T17:29:02.467Z","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":"2026-11-02T14:34:17.150655Z"}],"euvd":[{"id":"EUVD-2024-44459","description":"The Essential Blocks – Page Builder Gutenberg Blocks, Patterns \u0026 Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘tagName’ parameter in versions up to, and including, 4.5.12 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2024-05-18T04:30:53Z","modified":"2026-04-08T17:29:02Z","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":"2026-11-02T19:24:36.927129Z"}],"ghsa":[{"id":"GHSA-9m45-35mq-gcp6","title":"The Essential Blocks – Page Builder Gutenberg Blocks, Patterns \u0026 Templates plugin for WordPress...","description":"The Essential Blocks – Page Builder Gutenberg Blocks, Patterns \u0026 Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘tagName’ parameter in versions up to, and including, 4.5.12 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2024-05-18T06:30:32Z","modified":"2025-01-30T18:33:12Z","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":"2026-11-02T14:59:43.882222Z"}],"nvd":[{"id":"CVE-2024-4891","description":"The Essential Blocks – Page Builder Gutenberg Blocks, Patterns \u0026 Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘tagName’ parameter in versions up to, and including, 4.5.12 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2024-05-18T05:15:46.917Z","modified":"2026-06-17T08:03:07.043Z","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"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:10:01.327642Z"}]}}