CVE-2026-57313 is a subscriber Cross Site Scripting (XSS) vulnerability affecting SureCart versions up to 4.2.2. The vulnerability allows an attacker with low complexity and limited privileges to execute scripts that can lead to partial confidentiality, integrity, and availability impacts. The CVSS 3.1 vector indicates network attack vector, low attack complexity, privileges required, user interaction required, and scope change with low impact on confidentiality, integrity, and availability.

Successful exploitation could allow an attacker to execute arbitrary scripts in the context of a subscriber user, potentially leading to information disclosure, modification of data, or disruption of service at a limited scale. The impact is rated as medium severity with partial impacts on confidentiality, integrity, and availability.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided at this time. Users should monitor vendor communications for updates and apply patches once available.