The Responsive Lightbox WordPress Plugin is prone to a cross-site scripting vulnerability.
An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.
Responsive Lightbox versions prior to 1.7.2 are vulnerable.
Information
Exploit
Attackers can exploit this issue by enticing an unsuspecting victim to follow a malicious URI.
References: