Vulnerability Description
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 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).
Related Weaknesses (CWE)
References
- https://github.com/eladnava/mailgen/commit/741a0190ddae0f408b22ae3b5f0f4c3f5cf4f
- https://github.com/eladnava/mailgen/security/advisories/GHSA-j2xj-h7w5-r7vp
FAQ
What is CVE-2025-59526?
CVE-2025-59526 is a documented vulnerability. 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 ...
How severe is CVE-2025-59526?
CVSS scoring is not yet available for CVE-2025-59526. Check NVD for updates.
Is there a patch for CVE-2025-59526?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.