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MEDIUM6.1

GHSA-87qx-g5wg-mwmj

RubyGems Cross-site Scripting vulnerability

Quick fix

GHSA-87qx-g5wg-mwmj — rubygems-update: upgrade to the fixed version with the command below.

bundle update rubygems-update

Details

RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Cross Site Scripting (XSS) vulnerability in gem server display of homepage attribute that can result in XSS. This attack requires the victim to browse to a malicious gem on a vulnerable gem server. This vulnerability is fixed in 2.7.6.

Are you affected?

Enter the version of the package you're using.

Affected packages

RubyGems/rubygems-update
Introduced in: 0Fixed in: 2.7.6
Fixbundle update rubygems-update
Maven/org.jruby:jruby-stdlib
Introduced in: 0Fixed in: 9.1.16.0
Fix# pom.xml: bump <version>9.1.16.0</version> for org.jruby:jruby-stdlib

References