This vulnerability (CVE-2025-23599) in Aarvansh Infotech eMarksheet is a reflected cross-site scripting (XSS) issue caused by improper input neutralization during web page generation. It affects all versions up to 5.4.3. 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 on confidentiality, integrity, and availability. No patch or vendor advisory is available at this time.

Successful exploitation of this reflected XSS vulnerability can allow attackers to execute arbitrary scripts in the context of the victim's browser, potentially leading to theft of sensitive information, session hijacking, or other malicious actions affecting confidentiality, integrity, and availability of the affected system. The CVSS score of 7.1 reflects these impacts. However, no known 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, users should consider applying input validation or output encoding workarounds if feasible. Monitor vendor channels for updates and apply patches promptly once released.