Nodemailer addressparser: O(n^2) on comment-joined addresses enables a remote DoS (reachable via mailparser)

Summary nodemailer/lib/addressparser parses one shape of address in On^2 time. A single 640 KB address value blocks the Node.js event loop for roughly 7 seconds. And it is reachable without auth: mailparser feeds inbound email headers straight into this parser, so one crafted email is enough to...

Inefficient Algorithmic Complexity

Overview nodemailer is an Easy as cake e-mail sending from your Node.js applications Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity in its address parser src/addressparser/index.ts, whose join condition evaluates partsparts.length - 1.slice-1 before the...

Security Bulletin: IBM App Connect Enterprise Certified Container IntegrationServer and IntegrationRuntime operands are vulnerable to remote code execution (CVE-2026-3455)

Summary IBM App Connect Enterprise Certified Container IntegrationServer and IntegrationRuntime operands are vulnerable to remote code execution. This bulletin provides patch information to address the reported vulnerability in Node.js module mailparsr CVE-2026-3455 Vulnerability Details...

CVE-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...

@activeboxes/piece-gmail (0.8.1), @activeboxes/piece-imap (0.2.10) +77 more potentially affected by CVE-2026-3455 via mailparser (>=3.0.0, <=3.9.1)

mailparser NPM version =3.0.0, =0.6.0, =0.0.1, =0.0.1, =1.0.0, =0.5.0, =1.0.64-alpha, =1.0.21-alpha, =4.0.1-alpha, =6.1.180-alpha and more Source cves: CVE-2026-3455 Source advisory: OSV:GHSA-7GMJ-H9XC-MCXC...

GHSA-7GMJ-H9XC-MCXC mailparser vulnerable to Cross-site Scripting

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...

mailparser vulnerable to Cross-site Scripting

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...

CVE-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...

CVE-2026-3455

Summary: CVE-2026-3455 affects the node package mailparser up to version 3.9.3. Vulnerability: XSS via the textToHtml() function caused by improper sanitisation of URLs in email content. An attacker can execute arbitrary JavaScript in the victim’s browser by supplying a URL with an extra quote ch...

CVE-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...

CVE-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...

CVE-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...

CVE-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...

EUVD-2026-9279

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...

mailparser 安全漏洞

MailParser is an email parser developed by Nodemailer as open source software. Versions of MailParser prior to 3.9.3 contained a security vulnerability. This vulnerability stemmed from the textToHtml function’s improper handling of URLs in email content, which could lead to cross-site scripting...

CVE-2026-3455: Improper Neutralization of Input During Web Page Generation

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...

PT-2026-22720

Name of the Vulnerable Software and Affected Versions mailparser versions prior to 3.9.3 Description The package mailparser is susceptible to Cross-site Scripting XSS due to insufficient sanitization of URLs within email content. Specifically, the textToHtml function does not properly handle URLs...

@activeboxes/piece-gmail (0.8.1), @activeboxes/piece-imap (0.2.10) +77 more potentially affected by CVE-2026-3455 via mailparser (>=3.0.0, <=3.9.1)

mailparser NPM version =3.0.0, =0.6.0, =0.0.1, =0.0.1, =1.0.0, =0.5.0, =1.0.64-alpha, =1.0.21-alpha, =4.0.1-alpha, =6.1.180-alpha and more Source cves: CVE-2026-3455 Source advisory: SNYK:JS-MAILPARSER-15204032...

Cross-site Scripting (XSS)

Overview mailparser is an email parser. Affected versions of this package 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 t...