CVE-2026-75872

In maalfer MailerUp before 1.1.3, the unauthenticated public subscription form interpolates the first_name field unescaped into the double opt-in verification email, letting remote attackers send arbitrary HTML from the form owner's configured sending identity to an attacker-chosen address. The v...

CVE-2026-75872 HTML Injection in MailerUp double opt-in verification email

HTML Injection in the public subscription form in maalfer MailerUp before 1.1.3 allows unauthenticated remote attackers to have the application send a message carrying arbitrary HTML, to an attacker-chosen address and from the form owner's configured sending identity, via the firstname field of t...

EUVD-2026-60820

HTML Injection in the public subscription form in maalfer MailerUp before 1.1.3 allows unauthenticated remote attackers to have the application send a message carrying arbitrary HTML, to an attacker-chosen address and from the form owner's configured sending identity, via the firstname field of t...