CVE-2021-42841

Description

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.

CVSS Version 3.1
CVSS Version 2.0

nvd
CVE ID: CVE-2021-42841
Base Score: 6.1
Base Severity: MEDIUM
Vector String:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Impact Score: 2.7
Exploitability Score: 2.8

nvd
CVE ID: CVE-2021-42841
Base Score: 4.3
Base Severity: MEDIUM
Vector String:AV:N/AC:M/Au:N/C:N/I:P/A:N

Refrence: NVD

Description​

Description