# CVE-2018-16468: Loofah Cross-site Scripting vulnerability

Source: https://junglewise.ai/threats/cve-2018-16468-loofah-cross-site-scripting-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2018-11-01  
License: CC BY 4.0 with a link back

CVE-2018-16468 · Severity: low · CVSS 3 · Published 2018-11-01

Loofah Cross-site Scripting vulnerability

Technologies: [loofah (RubyGems)](https://junglewise.ai/threats/technologies/loofah). Vendors: [RubyGems](https://junglewise.ai/threats/vendors/rubygems).

## Quick answers

**Is CVE-2018-16468 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2018-16468 being exploited in the wild.

**How severe is CVE-2018-16468?** Low severity, with a CVSS score of 3, published 1 November 2018.

**Which products and versions are affected?** loofah (RubyGems) ECOSYSTEM:introduced=0,fixed=2.2.3.

**Is there a fix for CVE-2018-16468?** Yes. loofah (RubyGems): upgrade to 2.2.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2018-16468?** Check whether you run loofah (RubyGems) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- loofah (RubyGems): upgrade to 2.2.3 or later

  ```sh
  bundle update loofah
  ```


## Affected products

- loofah (RubyGems) ECOSYSTEM:introduced=0,fixed=2.2.3

## Identifiers

- CVE-2018-16468
- GHSA-g4xq-jx4w-4cjv

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- [Loofah regular expression denial of service in SVG local-reference check](https://junglewise.ai/threats/cve-2026-126205-loofah-regular-expression-denial-of-service-in-the-svg-local)