XSS in Cisco Web Security Appliance (Wsa)

CVE-2021-1271

A vulnerability in the web-based management interface of Cisco AsyncOS for Cisco Web Security Appliance (WSA) could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface of an affected device. The vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by inserting malicious data into a specific data field in an affected interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.008 (53.8th percentile) — read the EPSS interpretation.