This vulnerability, identified as CVE-2025-48301, affects the YayCommerce SMTP for SendGrid – YaySMTP product through version 1.5. It is caused by improper neutralization of special elements in SQL commands, leading to SQL Injection. The CVSS 3.1 vector (AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L) indicates that the vulnerability is exploitable remotely over the network with low attack complexity, requires high privileges, no user interaction, and results in a confidentiality breach with limited availability impact. The vulnerability is published and tracked but lacks vendor-provided patch or mitigation details.

An attacker with high privileges on the affected system could exploit this SQL Injection vulnerability to access or exfiltrate sensitive data from the database, compromising confidentiality. The vulnerability also has a limited impact on availability. There are no reports of active exploitation in the wild.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should restrict high-privilege access to the affected product and monitor for unusual database activity. No vendor-provided mitigation or temporary fix information is currently available.