CVE-2025-31893 describes a stored cross-site scripting vulnerability in cheesefather's Botnet Attack Blocker software versions up to 2.0.0. The issue is caused by improper input neutralization during web page generation, which can lead to execution of malicious scripts within the application context. The vulnerability has a CVSS v3.1 score of 6.5 (medium severity), with network attack vector, low attack complexity, requiring low privileges and user interaction, and impacts confidentiality, integrity, and availability at a low level. There is no vendor advisory or patch information provided, and no known active exploitation has been reported.

Successful exploitation of this stored XSS vulnerability could allow an attacker to execute arbitrary scripts in the context of users interacting with the affected application, potentially leading to information disclosure, modification of data, or disruption of service. The impact is rated as medium severity with partial confidentiality, integrity, and availability impacts. 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. Since no patch or official fix information is provided, users should monitor for vendor updates addressing this vulnerability. Until a fix is available, consider applying web application firewall (WAF) rules or input validation controls to mitigate potential exploitation of stored XSS in the affected product.