Cross-site scripting in rails-html-sanitizer - CVE-2022-23519

Vulnerability identifier: #VU75788

CSH Severity: Medium

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]

CVE-ID: CVE-2022-23519

CWE-ID: CWE-79

Exploitation vector: Remote access

Exploit availability: No public exploit available

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data with certain configurations of Rails::Html::Sanitizer. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

rails-html-sanitizer
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE OpenStack Cloud Crowbar
SUSE Linux Enterprise Server 15 SP1 Business Critical Linux
SUSE Linux Enterprise Server 15 SP2 Business Critical Linux
SUSE Linux Enterprise Server 15 SP3 Business Critical Linux
openSUSE Leap
Fedora
ruby2.1-rubygem-rails-html-sanitizer
ruby2.5-rubygem-rails-html-sanitizer-doc
ruby2.5-rubygem-rails-html-sanitizer-testsuite
ruby2.5-rubygem-rails-html-sanitizer
rubygem-rails-html-sanitizer
Red Hat Satellite

Install updates from vendor's website.

rails-html-sanitizer - update to 1.4.4
ruby2.1-rubygem-rails-html-sanitizer - update to 1.0.3-8.14.1
ruby2.5-rubygem-rails-html-sanitizer-doc - update to 1.0.4-150000.4.6.1
ruby2.5-rubygem-rails-html-sanitizer-testsuite - update to 1.0.4-150000.4.6.1
ruby2.5-rubygem-rails-html-sanitizer - update to 1.0.4-150000.4.6.1
rubygem-rails-html-sanitizer - update to 1.6.0-1.fc40
Red Hat Satellite - update to 6.13

• https://hackerone.com/reports/1656627
• https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-9h9g-93gc-623h

• Multiple vulnerabilities in rails-html-sanitizer for Ruby
• Multiple vulnerabilities in Red Hat Satellite 6.13
• SUSE update for rubygem-rails-html-sanitizer
• SUSE update for rubygem-rails-html-sanitizer
• Fedora 40 update for rubygem-rails-html-sanitizer