{"cve":"CVE-2011-0447","nvd":{"published":"2011-02-14T21:00:03.087","modified":"2026-06-16T23:27:24.290","status":"Modified","description":"Ruby on Rails 2.1.x, 2.2.x, and 2.3.x before 2.3.11, and 3.x before 3.0.4, does not properly validate HTTP requests that contain an X-Requested-With header, which makes it easier for remote attackers to conduct cross-site request forgery (CSRF) attacks via forged (1) AJAX or (2) API requests that leverage \"combinations of browser plugins and HTTP redirects,\" a related issue to CVE-2011-0696.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-352"],"references":["http://groups.google.com/group/rubyonrails-security/msg/c22ea1668c0d181c?dmode=source&output=gplain","http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057650.html","http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055074.html","http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055088.html","http://secunia.com/advisories/43274"],"products":["rubyonrails:rails"],"source":"nvd","synced_at":"2026-10-19T19:57:56.749847046+00:00"},"epss":{"cve":"CVE-2011-0447","score":0.01418,"percentile":0.72806,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-24fg-p96v-hxh8","url":"https://osv.dev/vulnerability/GHSA-24fg-p96v-hxh8","summary":"actionpack Cross-Site Request Forgery vulnerability","modified":"2024-12-07T05:38:37.003705Z","packages":[{"ecosystem":"RubyGems","name":"actionpack","purl":"pkg:gem/actionpack","ranges":[">=2.1.0 <2.3.11"],"fixed":["2.3.11"]},{"ecosystem":"RubyGems","name":"actionpack","purl":"pkg:gem/actionpack","ranges":[">=3.0.0 <3.0.4"],"fixed":["3.0.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}