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npm package

mailparser

Open actionable advisories and recorded vendor fixes. This public package view has no inventory attached and cannot establish whether your deployment is affected. A vendor fix never resolves your finding; verify your installed version and the source guidance.

Open advisories

1 actionable advisory, newest first. Withdrawn advisories and news are excluded. Coverage is partial.

  1. Low, CVSS 2.0npmAmendedPublished

    mailparser vulnerable to Cross-site Scripting

    CVE-2026-3455 · GHSA-7gmj-h9xc-mcxc

    Affected
    • npm mailparser < 3.9.3
    Fixed in
    3.9.3· Vendor fix available
    Issue
    Versions of the package mailparser before 3.9.3 are vulnerable to Cross-site Scripting (XSS) via the textToHtml() function due to the improper sanitisation of URLs in the email content. An attacker can execute arbitrary scripts in victim browsers by adding extra quote " to the URL with embedded malicious JavaScript code.

    Recommended action: Upgrade to 3.9.3 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:osv.dev (1)github.com (2)Source checked Evidence →