Sustainable Irrigation Platform (SIP) through version 5.2.16 contains a stored cross-site scripting vulnerability that allows unauthenticated attackers to inject arbitrary JavaScript by supplying malicious script payloads within program names submitted via HTTP requests. Attackers can exploit the lack of output encoding on rendered program names to execute arbitrary JavaScript in the browsers of any users viewing the affected page, with exploitation facilitated by the absence of a required passphrase or the default passphrase 'opendoor'.