{"id":"CVE-2025-59526","title":"mailgen is a Node.js package that generates responsive HTML e-mails for sending transactional mail","summary":"mailgen is a Node.js package that generates responsive HTML e-mails for sending transactional mail. Prior to version 2.0.30, there is an HTML injection vulnerability in plaintext e-mails generated by Mailgen. Projects are affected if the…","severity":"none","cwe":["CWE-79"],"published":"2025-09-22","updated":"2026-10-11","sourceUpdated":"2026-10-11T20:10:00.200","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-59526","references":[{"url":"https://github.com/eladnava/mailgen/commit/741a0190ddae0f408b22ae3b5f0f4c3f5cf4f11d","label":"security-advisories@github.com"},{"url":"https://github.com/eladnava/mailgen/security/advisories/GHSA-j2xj-h7w5-r7vp","label":"security-advisories@github.com"}],"tags":["nvd"],"epss":0.00438,"epssPercentile":0.36216,"ingestedAt":"2026-10-12T14:50:33.967Z","slug":"CVE-2025-59526","body":"## Overview\n\nmailgen is a Node.js package that generates responsive HTML e-mails for sending transactional mail. Prior to version 2.0.30, there is an HTML injection vulnerability in plaintext e-mails generated by Mailgen. Projects are affected if the Mailgen.generatePlaintext(email) method is used and given user-generated content. This vulnerability has been patched in version 2.0.30. A workaround involves stripping all HTML tags before passing any content into Mailgen.generatePlaintext(email).\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}