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.

• CWE-79

• https://exchange.xforce.ibmcloud.com/vulnerabilities/210416Third Party Advisory, VDB Entry
• https://exchange.xforce.ibmcloud.com/vulnerabilities/210416Third Party Advisory, VDB Entry

Published

Jan 6, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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