This vulnerability (CVE-2024-31084) is a reflected cross-site scripting (CWE-79) issue in the Weekly Class Schedule product by Pulsar Web Design. It occurs due to improper input sanitization during web page generation, enabling attackers to inject malicious scripts that are reflected back to users. The CVSS 3.1 base score is 7.1, indicating a high severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impacts on confidentiality, integrity, and availability. The affected versions include all versions up to 3.19. No patch or official remediation has been published yet.

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the affected web application, potentially leading to theft of user data, session hijacking, or other malicious actions impacting confidentiality, integrity, and availability. The CVSS vector indicates that the attack can be performed remotely without privileges but requires user interaction. The overall impact is rated high.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an 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 workarounds.