How severe is CVE-2018-3741?

This vulnerability has a severity rating of MEDIUM with a CVSS score of 6.1 out of 10.

What type of vulnerability is CVE-2018-3741?

This is classified as CWE-79, which is a common weakness in software security.

CVE-2018-3741 - MEDIUM Severity | CVSS 6.1

Vulnerability Description

There is a possible XSS vulnerability in all rails-html-sanitizer gem versions below 1.0.4 for Ruby. The gem allows non-whitelisted attributes to be present in sanitized output when input with specially-crafted HTML fragments, and these attributes can lead to an XSS attack on target applications. This issue is similar to CVE-2018-8048 in Loofah. All users running an affected release should either upgrade or use one of the workarounds immediately.

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