The SB Breadcrumbs plugin for web applications suffers from a reflected cross-site scripting vulnerability due to improper input sanitization during page generation. This allows attackers to inject malicious scripts that can execute in the context of the victim's browser. The vulnerability affects all versions up to 1.0. The CVSS 3.1 base score is 7.1, indicating a high severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impacts on confidentiality, integrity, and availability. No patch or remediation information is currently available.

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the affected web application, potentially leading to information disclosure, modification of data, or disruption of service. The reflected nature means the attack requires user interaction, such as clicking a crafted link. The vulnerability impacts confidentiality, integrity, and availability to a limited extent as per the CVSS vector.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should consider applying input validation or output encoding workarounds if feasible. Monitor official channels for updates from Hung Trang Si regarding patches or mitigations.