Most severe vulnerabilities for "npm/mailparser"

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npm/mailparserXSS

Risk 27

Severity

5.1

EPSS

0.03%

XSS

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P

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.

First published (updated )

CVE-2026-3455

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SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

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npm/mailparserXSS

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