{"id":"CVE-2026-19862","title":"The JetFormBuilder WordPress plugin before 3.6.5.2 does not validate or strip line breaks from address values it sources from submitted form fields before adding them to the headers of the e-mails it sends, allowing unauthenticated users…","summary":"The JetFormBuilder WordPress plugin before 3.6.5.2 does not validate or strip line breaks from address values it sources from submitted form fields before adding them to the headers of the e-mails it sends, allowing unauthenticated users…","severity":"medium","cvss":4.8,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","cwe":["CWE-93"],"published":"2026-09-06","updated":"2026-09-08","sourceUpdated":"2026-09-08T19:09:21.310","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-19862","references":[{"url":"https://wpscan.com/vulnerability/b3fe5552-6736-4479-9c61-c05bc3328b8e/","label":"contact@wpscan.com"}],"tags":["nvd"],"epss":0.00154,"epssPercentile":0.04945,"ingestedAt":"2026-09-06T19:59:42.009Z","slug":"CVE-2026-19862","body":"## Overview\n\nThe JetFormBuilder WordPress plugin before 3.6.5.2 does not validate or strip line breaks from address values it sources from submitted form fields before adding them to the headers of the e-mails it sends, allowing unauthenticated users to inject arbitrary e-mail headers, add hidden recipients and spoof the sender. Exploitation requires the site to be configured to take one of the message's addresses from a form field.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":26.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}