Smartermail 6919 Exploit Online

The attacker sends a crafted calendar invitation or an email with a malicious HTML signature to the target administrator. Because the exploit is a Stored XSS (also known as Persistent XSS), the payload is saved directly on the SmarterMail server’s database.

The vulnerability exists within the deserialization process of the TeamChat functionality in SmarterMail. smartermail 6919 exploit

Organizations running affected versions should audit their logs for signs of exploitation. Due to the nature of deserialization attacks, specific indicators may vary, but generally look for: The attacker sends a crafted calendar invitation or