{"id":"CVE-2024-3343","aliases":["EUVD-2024-31933","GHSA-rwc7-c97h-vxjm"],"status":"published","title":"Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor \u0026 FSE \u003c= 2.6.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Block Attributes","description":"The Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor \u0026 FSE plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's block attributes in all versions up to, and including, 2.6.8 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":0.00343,"percentile":0.28061,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2024-04-11T11:03:51Z","modified":"2026-06-17T07:43:48Z","products":[{"vendor":"themeisle","product":"otter blocks – gutenberg blocks, page builder for gutenberg editor \u0026 fse"},{"vendor":"themeisle","product":"otter_blocks"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/67981160-6c91-48a4-ba1c-68204d538ed6?source=cve","tags":["x_transferred","Third Party Advisory"]},{"url":"https://plugins.trac.wordpress.org/changeset/3068495/otter-blocks","tags":["x_transferred","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-3343"},{"url":"https://github.com/advisories/GHSA-rwc7-c97h-vxjm"}],"sources":{"cve":[{"id":"CVE-2024-3343","title":"Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor \u0026 FSE \u003c= 2.6.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Block Attributes","description":"The Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor \u0026 FSE plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's block attributes in all versions up to, and including, 2.6.8 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":"2024-04-11T11:03:51.061Z","modified":"2026-04-08T16:58:16.205Z","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":"2026-11-02T14:34:10.961618Z"}],"euvd":[{"id":"EUVD-2024-31933","description":"The Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor \u0026 FSE plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's block attributes in all versions up to, and including, 2.6.8 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":"2024-04-11T11:03:51Z","modified":"2026-04-08T16:58:16Z","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":"2026-11-02T19:24:55.662835Z"}],"ghsa":[{"id":"GHSA-rwc7-c97h-vxjm","title":"The Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor \u0026 FSE plugin for WordPress...","description":"The Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor \u0026 FSE plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's block attributes in all versions up to, and including, 2.6.8 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":"2024-04-11T12:30:28Z","modified":"2025-01-22T21:31:59Z","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":"2026-11-02T14:59:38.594977Z"}],"nvd":[{"id":"CVE-2024-3343","description":"The Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor \u0026 FSE plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's block attributes in all versions up to, and including, 2.6.8 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":"2024-04-11T11:15:48.647Z","modified":"2026-06-17T07:43:48.6Z","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":"2026-11-02T14:09:50.299382Z"}]}}