The vulnerability CVE-2025-31102 in Bob Hostel (versions <= 1.1.5.5) is a reflected cross-site scripting (XSS) flaw caused by improper input neutralization during web page generation. This allows an attacker to inject malicious scripts that can execute in the context of a victim's browser. The CVSS 3.1 base score is 7.1, indicating high severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impacts to confidentiality, integrity, and availability. No patch or vendor advisory is currently available, and the product is not a cloud service.

Successful exploitation of this reflected XSS vulnerability could allow an attacker to execute arbitrary scripts in the context of the victim's browser, potentially leading to information disclosure, session hijacking, or other impacts to confidentiality, integrity, and availability. The CVSS score reflects these impacts as low confidentiality, integrity, and availability impacts. No known exploits have been reported in the wild.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a patch or official fix is available, users should apply standard XSS mitigations such as input validation and output encoding where possible. Monitor vendor communications for updates on patches or official mitigations.