CVE-2025-31418 describes a reflected Cross-site Scripting (XSS) vulnerability in noonnoo Gravel (versions <= 1.6). The issue is caused by improper neutralization of input during web page generation, enabling attackers to inject malicious scripts that execute when a user interacts with a crafted URL or input. The vulnerability has a CVSS 3.1 base score of 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 vendor advisory is currently available, and the product is not a cloud service.

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the affected web application, potentially leading to unauthorized disclosure of information, modification of data, or disruption of service. The CVSS vector indicates limited but notable impacts on confidentiality, integrity, and availability. No known exploits are reported in the wild.

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.