{"id":"CVE-2026-27536","aliases":["EUVD-2026-57934","GHSA-9qcm-96gr-2cxq"],"status":"published","title":"WordPress MailChimp Subscribe Forms  plugin \u003c= 4.3.3 - Cross Site Scripting (XSS) vulnerability","description":"Unauthenticated Cross Site Scripting (XSS) in MailChimp Subscribe Forms  \u003c= 4.3.3 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":"2026-11-12","score":0.00251,"percentile":0.16672,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-08-13T13:36:18Z","modified":"2026-10-23T18:10:00Z","products":[{"vendor":"pluginops","product":"mailchimp subscribe forms"}],"references":[{"url":"https://patchstack.com/database/wordpress/plugin/mailchimp-subscribe-sm/vulnerability/wordpress-mailchimp-subscribe-forms-plugin-4-3-3-cross-site-scripting-xss-vulnerability?_s_id=cve","tags":["vdb-entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27536"},{"url":"https://github.com/advisories/GHSA-9qcm-96gr-2cxq"}],"sources":{"cve":[{"id":"CVE-2026-27536","title":"WordPress MailChimp Subscribe Forms  plugin \u003c= 4.3.3 - Cross Site Scripting (XSS) vulnerability","description":"Unauthenticated Cross Site Scripting (XSS) in MailChimp Subscribe Forms  \u003c= 4.3.3 versions.","status":"published","published":"2026-08-13T13:36:18.376Z","modified":"2026-08-13T15:14:14.614Z","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":"2026-11-02T14:19:49.199185Z"}],"euvd":[{"id":"EUVD-2026-57934","description":"Unauthenticated Cross Site Scripting (XSS) in MailChimp Subscribe Forms  \u003c= 4.3.3 versions.","status":"published","published":"2026-08-13T13:36:18Z","modified":"2026-08-13T15:14:14Z","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":"2026-11-02T18:01:56.415282Z"}],"ghsa":[{"id":"GHSA-9qcm-96gr-2cxq","title":"Unauthenticated Cross Site Scripting (XSS) in MailChimp Subscribe Forms  \u003c= 4.3.3 versions.","description":"Unauthenticated Cross Site Scripting (XSS) in MailChimp Subscribe Forms  \u003c= 4.3.3 versions.","status":"published","published":"2026-08-13T15:34:38Z","modified":"2026-08-13T15:34:45Z","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":"2026-11-02T15:10:25.227735Z"}],"nvd":[{"id":"CVE-2026-27536","description":"Unauthenticated Cross Site Scripting (XSS) in MailChimp Subscribe Forms  \u003c= 4.3.3 versions.","status":"published","published":"2026-08-13T14:16:56.25Z","modified":"2026-10-23T18:10:00.167Z","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":"2026-11-02T14:12:37.217486Z"}]}}