This vulnerability (CVE-2026-66604) affects Paolo GeoDirectory versions <= 2.8.173 and involves improper neutralization of input during web page generation, leading to unauthenticated cross-site scripting (CWE-79). The CVSS 3.1 score is 7.1, reflecting a high severity with network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and impacts on confidentiality, integrity, and availability. No vendor advisory or patch information is provided, and no known exploits are reported in the wild.

Successful exploitation could allow an unauthenticated attacker to execute arbitrary scripts in the context of the affected web application, potentially leading to data disclosure, modification, or denial of service. The vulnerability impacts confidentiality, integrity, and availability as indicated by the CVSS vector. However, no active exploitation has been reported.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider applying input validation or output encoding workarounds if feasible. Monitor vendor communications for updates on patches or mitigations.