Describe CVE-2017-6491.
What is CVE-2017-6491?
Multiple Cross-Site Scripting (XSS) issues were discovered in EPESI 1.8.1.1. The vulnerabilities exist due to insufficient filtration of user-supplied data (tooltip_id, callback, args, cid) passed to the EPESI-master/modules/Utils/Tooltip/req.php URL. An attacker could execute arbitrary HTML and script code in a browser in the context of the vulnerable website..