OSS-Security list :

There is a possible XSS vulnerability in rails-html-sanitizer. 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.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:0212 advisory.

    Red Hat CloudForms Management Engine delivers the insight, control, and automation needed to address the     challenges of managing virtual environments. CloudForms Management Engine is built on Ruby on Rails, a     model-view-controller (MVC) framework for web application development. Action Pack implements the     controller and the view components.

    Security Fix(es):

    * rubygem-sinatra: XSS in the 400 Bad Request page (CVE-2018-11627)

    For more details about the security issue(s), including the impact, a CVSS score, and other related     information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    This update fixes various bugs and adds enhancements. Documentation for these changes is available from     the Release Notes document linked to in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
108624	FreeBSD : rails-html-sanitizer -- possible XSS vulnerability (81946ace-6961-4488-a164-22d58ebc8d66)	Nessus	FreeBSD Local Security Checks	3/27/2018	11/21/2018	medium
210303	RHEL 7 : CloudForms 4.7 (RHSA-2019:0212)	Nessus	Red Hat Local Security Checks	11/5/2024	11/6/2024	high

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