This vulnerability exists in reportico-web <= 8.1.0 where the input to the reportico_criteria parameter is not properly sanitized when execute_mode=CRITERIA is specified in run.php. An attacker can craft a URL with a malicious script payload in the reportico_criteria parameter, causing the victim's browser to execute arbitrary JavaScript code. This is a classic reflected XSS issue that can be exploited by tricking users into clicking a malicious link.

Successful exploitation allows an attacker to execute arbitrary JavaScript in the context of the victim's browser session with the affected web application. This can lead to session hijacking, defacement, or other client-side attacks. However, there is no information about active exploitation in the wild or additional impact details.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should avoid clicking untrusted links containing suspicious parameters targeting reportico-web run.php with execute_mode=CRITERIA and reportico_criteria parameters. Implementing web application firewall (WAF) rules to detect and block suspicious input may help mitigate risk.