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CVE-2013-1856

The ActiveSupport::XmlMini_JDOM backend in lib/active_support/xml_mini/jdom.rb in the Active Support component in Ruby on Rails 3.0.x and 3.1.x before 3.1.12 and 3.2.x before 3.2.13, when JRuby is ...

Published: Mar 19, 2013Updated: Apr 29, 2026 Sources: CVE List NVD GHSACWE-20
NVD MITRE
5.8CVSSMEDIUM
EPSS Score
2.1%
Top 21.2%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

activesupport Improper Input Validation vulnerability

CVSS Vector Breakdown

AV:NAC:MAu:NC:PI:NA:P
Exploitability
AV:NAccess Vector
Network
AC:MAccess Complexity
Medium
Au:NAuthentication
None
Impact
C:PConfidentiality
Partial
I:NIntegrity
None
A:PAvailability
Partial
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Weaknesses

CWE-20

Affected Products

activesupportRubyGemsOSS Libraries
railsrubyonrailsOSS Libraries
ruby on railsrubyonrailsOSS Libraries
n/an/a
rubygemspackage-ecosystemOSS Libraries
rubyonrailsoss-projectUSOSS Librariesaka rails, ruby on rails, rubyonrails.org

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2013-1856
nvd.nist.gov
https://github.com/rails/rails
github.com
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/activesupport/CVE-2013-1856.yml
github.com
and 8 more references View all →

Timeline

Published
Mar 19, 2013
Last Updated
Apr 29, 2026

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