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Vulnerability record · CVE-2008-7248 · published 16 December 2009

CVE-2008-7248: Rubyonrails rails improper input validation vulnerability

Rubyonrails · Rails

Ruby on Rails 2.1 before 2.1.3 and 2.2.x before 2.2.2 does not verify tokens for requests with certain content types, which allows remote attackers to bypass cross-site request forgery (CSRF) protection for requests to applications that rely on this protection, as demonstrated using text/plain.

6.8 CVSS 2.0 Medium EPSS 8.1% · top 5.4% CWE-20 · Improper input validation
6.8CVSS 2.0 base score
8.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
20References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Ruby on Rails 2.1 before 2.1.3 and 2.2.x before 2.2.2 does not verify tokens for requests with certain content types, which allows remote attackers to bypass cross-site request forgery (CSRF) protection for requests to applications that rely on this protection, as demonstrated using text/plain.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://groups.google.com/group/rubyonrails-security/browse_thread/thread/d741ee286e36e301?hl=en
http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00004.html
http://pseudo-flaw.net/content/web-browsers/form-data-encoding-roundup/
http://secunia.com/advisories/36600 Vendor Advisory
http://secunia.com/advisories/38915
http://weblog.rubyonrails.org/2008/11/18/potential-circumvention-of-csrf-protection-in-rails-2-1
http://www.openwall.com/lists/oss-security/2009/11/28/1
http://www.openwall.com/lists/oss-security/2009/12/02/2
http://www.rorsecurity.info/journal/2008/11/19/circumvent-rails-csrf-protection.html Exploit
http://www.vupen.com/english/advisories/2009/2544 Vendor Advisory
http://groups.google.com/group/rubyonrails-security/browse_thread/thread/d741ee286e36e301?hl=en
http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00004.html
http://pseudo-flaw.net/content/web-browsers/form-data-encoding-roundup/
http://secunia.com/advisories/36600 Vendor Advisory
http://secunia.com/advisories/38915
http://weblog.rubyonrails.org/2008/11/18/potential-circumvention-of-csrf-protection-in-rails-2-1
http://www.openwall.com/lists/oss-security/2009/11/28/1
http://www.openwall.com/lists/oss-security/2009/12/02/2
http://www.rorsecurity.info/journal/2008/11/19/circumvent-rails-csrf-protection.html Exploit
http://www.vupen.com/english/advisories/2009/2544 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2008-7248), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.