CVE-2013-1855

    Dashboard / Vulnerabilities / CVE-2013-1855

    CVE-2013-1855

    Published: 19 Mar 2013Last Modified: 10 Apr 2026

    Summary:

    Details: The sanitize_css method in lib/action_controller/vendor/html-scanner/html/sanitizer.rb in the Action Pack component in Ruby on Rails before 2.3.18, 3.0.x and 3.1.x before 3.1.12, and 3.2.x before 3.2.13 does not properly handle \n (newline) characters, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via crafted Cascading Style Sheets (CSS) token sequences.

    References: http://rhn.redhat.com/errata/RHSA-2013-0698.html, http://rhn.redhat.com/errata/RHSA-2014-1863.html, http://weblog.rubyonrails.org/2013/3/18/SEC-ANN-Rails-3-2-13-3-1-12-and-2-3-18-have-been-released/, http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html, http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html, http://lists.opensuse.org/opensuse-updates/2013-04/msg00072.html, http://lists.opensuse.org/opensuse-updates/2013-04/msg00073.html, http://lists.opensuse.org/opensuse-updates/2014-01/msg00013.html, http://support.apple.com/kb/HT5784, https://groups.google.com/group/rubyonrails-security/msg/8ed835a97cdd1afd?dmode=source&output=gplain

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High