Vulnerability Details CVE-2021-42841
Insta HMS before 12.4.10 is vulnerable to XSS because of improper validation of user-supplied input by multiple scripts. A remote attacker could exploit this vulnerability via a crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 39.3%
CVSS Severity
CVSS v3 Score 6.1
CVSS v2 Score 4.3
References