npm package report

Is mailparser safe?

1 known vulnerability, worst severity LOW.

cvss

5.1

how bad it is if exploited, out of 10

epss

0.30%

chance of exploitation in the next 30 days

xyz score

2.0

CyberXYZ composite, out of 10

fig. 01 — GHSA-7gmj-h9xc-mcxc, the advisory selected below

// advisories

GHSA-7gmj-h9xc-mcxc

LOWCVE-2026-3455

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.

Affected: < 3.9.3
Fixed in: 3.9.3
Weakness: CWE-79
Published: 2026-03-03
Source: github

GHSA NVD MITRE reference reference reference reference

// dependencies

0 direct

// ai model usage

Tracked for PyPI packages. HuggingFace models declare Python dependencies, so npm packages are not covered.

Checked 2026-09-22 at 01:38 UTC. The most recent advisory here was published 2026-03-03. Updated continuously from NVD, GHSA, OSV and CNA feeds.

Is mailparser safe? npm package security report | CyberXYZ