CVE-2026-19810 Cross-Site Scripting (XSS) in Symantec Endpoint Detection and Response Console
Attackers can inject malicious scripts into the Symantec EDR Console, potentially stealing user session data or bypassing security restrictions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-19810?
CVE-2026-19810 is a medium-severity cross-site scripting vulnerability in Broadcom Symantec Endpoint Detection and Response, published on 13 Oct 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-79
Which versions are affected by CVE-2026-19810?
How do I fix CVE-2026-19810?
No fix has been published for CVE-2026-19810 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-19810 being exploited?
There is no known exploitation of CVE-2026-19810 in the wild and no public exploit code.
Sources
Also known as GHSA-7vr8-cmj7-5jj4.