{"id":"CVE-2026-2868","aliases":["EUVD-2026-27171","GHSA-9g3j-cvqf-cx76"],"status":"published","title":"Gutenverse – Ultimate WordPress FSE Blocks Addons \u0026 Ecosystem \u003c= 3.5.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'separatorIconSVG'","description":"The Gutenverse – Ultimate WordPress FSE Blocks Addons \u0026 Ecosystem plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'separatorIconSVG' parameter in versions up to, and including, 3.5.3 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":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":"2026-11-11","score":0.00152,"percentile":0.04368,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-05-05T02:26:57Z","modified":"2026-06-17T10:31:55Z","products":[{"vendor":"jegstudio","product":"gutenverse – ultimate wordpress fse blocks addons \u0026 ecosystem"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/cc540e5c-180f-4743-b1fb-608aa0e3ae79?source=cve"},{"url":"https://plugins.trac.wordpress.org/changeset/3507804/gutenverse"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-2868"},{"url":"https://github.com/advisories/GHSA-9g3j-cvqf-cx76"}],"sources":{"cve":[{"id":"CVE-2026-2868","title":"Gutenverse – Ultimate WordPress FSE Blocks Addons \u0026 Ecosystem \u003c= 3.5.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'separatorIconSVG'","description":"The Gutenverse – Ultimate WordPress FSE Blocks Addons \u0026 Ecosystem plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'separatorIconSVG' parameter in versions up to, and including, 3.5.3 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":"2026-05-05T02:26:57.635Z","modified":"2026-05-06T14:01:53.941Z","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":"2026-11-02T13:48:46.911326Z"}],"euvd":[{"id":"EUVD-2026-27171","description":"The Gutenverse – Ultimate WordPress FSE Blocks Addons \u0026 Ecosystem plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'separatorIconSVG' parameter in versions up to, and including, 3.5.3 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":"2026-05-05T02:26:57Z","modified":"2026-05-06T14:01:53Z","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":"2026-11-02T19:05:16.683147Z"}],"ghsa":[{"id":"GHSA-9g3j-cvqf-cx76","title":"The Gutenverse – Ultimate WordPress FSE Blocks Addons \u0026 Ecosystem plugin for WordPress is...","description":"The Gutenverse – Ultimate WordPress FSE Blocks Addons \u0026 Ecosystem plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'separatorIconSVG' parameter in versions up to, and including, 3.5.3 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":"2026-05-05T03:31:41Z","modified":"2026-05-05T03:31:48Z","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":"2026-11-02T15:07:54.707151Z"}],"nvd":[{"id":"CVE-2026-2868","description":"The Gutenverse – Ultimate WordPress FSE Blocks Addons \u0026 Ecosystem plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'separatorIconSVG' parameter in versions up to, and including, 3.5.3 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":"2026-05-05T03:15:59.263Z","modified":"2026-06-17T10:31:55.137Z","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":"2026-11-02T14:12:17.022502Z"}]}}