CVE-2025-26740 describes a DOM-based cross-site scripting vulnerability in burgersoftware SpaBiz versions up to and including 1.0.18. The issue arises from improper neutralization of input during web page generation, which can be exploited by an attacker with network access and low privileges, requiring user interaction. The vulnerability affects the confidentiality, integrity, and availability of the affected system. The CVSS 3.1 base score is 6.5, indicating medium severity. No patch or official 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 attack requires user interaction and low privileges, which somewhat limits the risk. There are no known active exploits reported.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should consider applying general XSS mitigations such as input validation and output encoding where possible. Monitor vendor channels for updates regarding patches or official mitigations.