CVE-2026-19810: Cross-Site Scripting (XSS) in Symantec Endpoint Detection and Response Console
Symantec Endpoint Detection and Response (SEDR) Console, prior to 4.13, may be susceptible to a Cross-Site Scripting (XSS) vulnerability, which is a type of issue whereby an attacker may attempt to inject malicious script that executes in the context of another user’s session, potentially resulting in unauthorized access to functionality or information normally restricted to that user.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Symantec Endpoint Detection and Response Consoleto a version that resolves this vulnerability.Fixed in 4.13
Event History
Frequently Asked Questions
Which systems are in the affected version range?
The affected range is Symantec Endpoint Detection and Response Console versions earlier than 4.13.
What would an attacker need to exploit this issue?
The CVSS vector indicates network reachability, low attack complexity, and low-level privileges are required. Exploitation also requires user interaction, such as causing another user to interact with attacker-supplied content.
What could happen if exploitation succeeds?
Malicious script could execute in another user’s session context. This could provide unauthorized access to functionality or information normally restricted to that user.