{"id":"CVE-2026-66596","aliases":["EUVD-2026-62374","GHSA-wmvx-23w9-2238"],"status":"published","title":"WordPress Newsletter plugin \u003c= 9.3.3 - Cross Site Scripting (XSS) vulnerability","description":"Unauthenticated Cross Site Scripting (XSS) in Newsletter \u003c= 9.3.3 versions.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00251,"percentile":0.16688,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-08-19T12:38:44Z","modified":"2026-08-20T12:48:31Z","products":[{"vendor":"stefano lissa","product":"newsletter"}],"references":[{"url":"https://patchstack.com/database/wordpress/plugin/newsletter/vulnerability/wordpress-newsletter-plugin-9-3-3-cross-site-scripting-xss-vulnerability?_s_id=cve","tags":["vdb-entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66596"},{"url":"https://github.com/advisories/GHSA-wmvx-23w9-2238"}],"sources":{"cve":[{"id":"CVE-2026-66596","title":"WordPress Newsletter plugin \u003c= 9.3.3 - Cross Site Scripting (XSS) vulnerability","description":"Unauthenticated Cross Site Scripting (XSS) in Newsletter \u003c= 9.3.3 versions.","status":"published","published":"2026-08-19T12:38:44.706Z","modified":"2026-08-19T19:38:36.483Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:20:12.939084Z"}],"euvd":[{"id":"EUVD-2026-62374","description":"Unauthenticated Cross Site Scripting (XSS) in Newsletter \u003c= 9.3.3 versions.","status":"published","published":"2026-08-19T12:38:44Z","modified":"2026-08-19T19:38:36Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T18:01:40.9092Z"}],"ghsa":[{"id":"GHSA-wmvx-23w9-2238","title":"Unauthenticated Cross Site Scripting (XSS) in Newsletter \u003c= 9.3.3 versions.","description":"Unauthenticated Cross Site Scripting (XSS) in Newsletter \u003c= 9.3.3 versions.","status":"published","published":"2026-08-19T15:32:23Z","modified":"2026-08-19T15:32:28Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:10:39.312931Z"}],"nvd":[{"id":"CVE-2026-66596","description":"Unauthenticated Cross Site Scripting (XSS) in Newsletter \u003c= 9.3.3 versions.","status":"published","published":"2026-08-19T13:17:50.43Z","modified":"2026-08-20T12:48:31.843Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"high","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:39.620837Z"}]}}