CVE-2015-7579

Severity: medium (CVSS 6.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-02-16 · updated 2026-06-17
Weakness: CWE-79

Description

Cross-site scripting (XSS) vulnerability in the rails-html-sanitizer gem 1.0.2 for Ruby on Rails 4.2.x and 5.x allows remote attackers to inject arbitrary web script or HTML via an HTML entity that is mishandled by the Rails::Html::FullSanitizer class.

Affected products

rubyonrails Html Sanitizer: through 1.0.2

References

http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178046.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178064.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00014.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00024.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00053.html
http://www.openwall.com/lists/oss-security/2016/01/25/12
http://www.securitytracker.com/id/1034816
https://github.com/rails/rails-html-sanitizer/commit/49dfc1584c5b8e35a4ffabf8356ba3df025e8d3f
https://groups.google.com/forum/message/raw?msg=ruby-security-ann/OU9ugTZcbjc/uksRkSxZEgAJ
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178046.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178064.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00014.html

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