Mailgen: HTML injection vulnerability in plaintext e-mails_CVE-2025-59526

2.7 / 10

LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:L/E:U

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).

Basic Information

ID CVE-2025-59526

Source GitHub_M

Published Sep 22, 2025 at 19:27

Modified Sep 22, 2025 at 19:45

Affected Product

Vendor eladnava

Product mailgen

Version < 2.0.30

Affected Versions eladnava mailgen < 2.0.30

CWE Classification

CWE-79

References

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    "published": "2025-09-22T19:27:53.323Z",
    "modified": "2025-09-22T19:45:47.069Z",
    "type": "cve",
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