CVE-2025-26587 describes a reflected cross-site scripting vulnerability in the nghorta sidebarTabs product, versions up to 3.1. The issue stems from improper input neutralization during web page generation, enabling attackers to inject malicious scripts that are reflected back to users. The CVSS 3.1 score of 7.1 reflects network attack vector, low attack complexity, no privileges required, user interaction required, and impacts on confidentiality, integrity, and availability. No patch or vendor advisory details are provided, and the product is not a cloud service.

Successful exploitation of this vulnerability could allow attackers to execute arbitrary scripts in the context of the affected web application, potentially leading to data theft, session hijacking, or other malicious actions impacting confidentiality, integrity, and availability. However, no known exploits in the wild have been reported to date.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should consider applying input validation or output encoding workarounds if feasible. Monitor vendor channels for updates and apply patches promptly once released.