The vulnerability CVE-2025-52749 affects Activity Track's Uji Countdown software (versions up to 2.3.3) and is classified as a reflected cross-site scripting (XSS) issue. It occurs due to improper neutralization of input during web page generation, enabling an attacker to inject and execute arbitrary scripts in the victim's browser. The CVSS v3.1 base score is 7.1, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and impacts on confidentiality, integrity, and availability at low levels. No patch or vendor advisory is currently provided, 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 a user's browser session, potentially leading to information disclosure, session hijacking, or other client-side impacts. The CVSS score indicates limited but non-negligible impact on confidentiality, integrity, and availability. There are no known active exploits reported at this time.

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. No vendor advisory or patch links are currently provided.