{"id":"CVE-2026-66703","aliases":["EUVD-2026-53907","GHSA-7h59-5f8r-wcwf"],"status":"published","title":"WordPress MailOptin plugin \u003c= 1.2.78.0 - Cross Site Scripting (XSS) vulnerability","description":"Contributor Cross Site Scripting (XSS) in MailOptin \u003c= 1.2.78.0 versions.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00224,"percentile":0.13182,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-08-06T14:28:06Z","modified":"2026-10-24T16:10:00Z","products":[{"vendor":"properfraction","product":"mailoptin"}],"references":[{"url":"https://patchstack.com/database/wordpress/plugin/mailoptin/vulnerability/wordpress-mailoptin-plugin-1-2-78-0-cross-site-scripting-xss-vulnerability?_s_id=cve","tags":["vdb-entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66703"},{"url":"https://github.com/advisories/GHSA-7h59-5f8r-wcwf"}],"sources":{"cve":[{"id":"CVE-2026-66703","title":"WordPress MailOptin plugin \u003c= 1.2.78.0 - Cross Site Scripting (XSS) vulnerability","description":"Contributor Cross Site Scripting (XSS) in MailOptin \u003c= 1.2.78.0 versions.","status":"published","published":"2026-08-06T14:28:06.899Z","modified":"2026-08-06T15:35:14.346Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:20:13.272106Z"}],"euvd":[{"id":"EUVD-2026-53907","description":"Contributor Cross Site Scripting (XSS) in MailOptin \u003c= 1.2.78.0 versions.","status":"published","published":"2026-08-06T14:28:06Z","modified":"2026-08-06T15:35:14Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T18:02:08.101336Z"}],"ghsa":[{"id":"GHSA-7h59-5f8r-wcwf","title":"Contributor Cross Site Scripting (XSS) in MailOptin \u003c= 1.2.78.0 versions.","description":"Contributor Cross Site Scripting (XSS) in MailOptin \u003c= 1.2.78.0 versions.","status":"published","published":"2026-08-06T15:32:48Z","modified":"2026-08-06T15:32:56Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:10:09.761462Z"}],"nvd":[{"id":"CVE-2026-66703","description":"Contributor Cross Site Scripting (XSS) in MailOptin \u003c= 1.2.78.0 versions.","status":"published","published":"2026-08-06T15:17:23.273Z","modified":"2026-10-24T16:10:00.153Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:35.386166Z"}]}}