{"id":"CVE-2026-2951","aliases":["EUVD-2026-25168","GHSA-vrq9-2rh7-jjg5"],"status":"published","title":"Gutentor – Gutenberg Blocks – Page Builder for Gutenberg Editor \u003c= 3.5.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via Gutentor Block HTML","description":"The Gutentor – Gutenberg Blocks – Page Builder for Gutenberg Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 3.5.5 due to insufficient input sanitization and output escaping. 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":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":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00168,"percentile":0.06162,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-04-23T02:25:21Z","modified":"2026-06-17T10:32:05Z","products":[{"vendor":"gutentor","product":"gutentor – gutenberg blocks – page builder for gutenberg editor"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/d7c639b8-35f5-4eaf-a663-1adab3ba2a16?source=cve"},{"url":"https://plugins.trac.wordpress.org/changeset/3495930/gutentor"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-2951"},{"url":"https://github.com/advisories/GHSA-vrq9-2rh7-jjg5"}],"sources":{"cve":[{"id":"CVE-2026-2951","title":"Gutentor – Gutenberg Blocks – Page Builder for Gutenberg Editor \u003c= 3.5.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via Gutentor Block HTML","description":"The Gutentor – Gutenberg Blocks – Page Builder for Gutenberg Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 3.5.5 due to insufficient input sanitization and output escaping. 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":"2026-04-23T02:25:21.258Z","modified":"2026-04-23T12:51:56.328Z","cvss":[{"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":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:48:46.911326Z"}],"euvd":[{"id":"EUVD-2026-25168","description":"The Gutentor – Gutenberg Blocks – Page Builder for Gutenberg Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 3.5.5 due to insufficient input sanitization and output escaping. 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":"2026-04-23T02:25:21Z","modified":"2026-04-23T12:51:56Z","cvss":[{"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"}],"updated_at":"2026-11-02T19:24:19.171803Z"}],"ghsa":[{"id":"GHSA-vrq9-2rh7-jjg5","title":"The Gutentor – Gutenberg Blocks – Page Builder for Gutenberg Editor plugin for WordPress is...","description":"The Gutentor – Gutenberg Blocks – Page Builder for Gutenberg Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 3.5.5 due to insufficient input sanitization and output escaping. 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":"2026-04-23T04:00:22Z","modified":"2026-04-23T04:00:28Z","cvss":[{"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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:07:35.737909Z"}],"nvd":[{"id":"CVE-2026-2951","description":"The Gutentor – Gutenberg Blocks – Page Builder for Gutenberg Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 3.5.5 due to insufficient input sanitization and output escaping. 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":"2026-04-23T03:16:16.36Z","modified":"2026-06-17T10:32:05.997Z","cvss":[{"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":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:15.867234Z"}]}}