OPEXUS FOIAXpress stored XSS via Hyperlink Manager

OPEXUS FOIAXpress before 11.13.3.0 allows an administrative user to inject JavaScript or other content as a URL within the Technical Support Hyperlink Manager. Injected content is executed in the context of other users when they click the malicious link. Successful exploitation allows the administrative user to perform actions on behalf of the target, including stealing session cookies, user credentials, or sensitive data.