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  5. CVE-2015-1840

CVE-2015-1840: jquery-rails and jquery-ujs subject to Exposure of Sensitive Information

October 24, 2017 (updated January 14, 2026)

jquery_ujs.js in jquery-rails before 3.1.3 and 4.x before 4.0.4 and rails.js in jquery-ujs before 1.0.4, as used with Ruby on Rails 3.x and 4.x, allow remote attackers to bypass the Same Origin Policy, and trigger transmission of a CSRF token to a different-domain web server, via a leading space character in a URL within an attribute value.

References

  • github.com/advisories/GHSA-4whc-pp4x-9pf3
  • github.com/rails/jquery-rails
  • github.com/rails/jquery-rails/blob/master/CHANGELOG.md
  • github.com/rails/jquery-ujs/blob/master/CHANGELOG.md
  • github.com/rubysec/ruby-advisory-db/blob/master/gems/jquery-rails/CVE-2015-1840.yml
  • github.com/rubysec/ruby-advisory-db/blob/master/gems/jquery-ujs/CVE-2015-1840.yml
  • groups.google.com/forum/
  • groups.google.com/forum/message/raw?msg=rubyonrails-security/XIZPbobuwaY/fqnzzpuOlA4J
  • nvd.nist.gov/vuln/detail/CVE-2015-1840
  • web.archive.org/web/20200228084945/http://www.securityfocus.com/bid/75239

Code Behaviors & Features

Detect and mitigate CVE-2015-1840 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions before 1.0.4

Fixed versions

  • 1.0.4

Solution

Upgrade to version 1.0.4 or above.

Impact 5 MEDIUM

AV:N/AC:L/Au:N/C:P/I:N/A:N

Learn more about CVSS

Weakness

  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Source file

gem/jquery-ujs/CVE-2015-1840.yml

Spotted a mistake? Edit the file on GitLab.

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