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Fencer Intel
medium 4.3

CVE-2013-6416 json

actionpack Cross-site Scripting vulnerability

published 12y ago modified 4mo ago also GHSA-w37c-q653-qg95 , EUVD-2017-0319

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

Cross-site scripting (XSS) vulnerability in the simple_format helper in actionpack/lib/action_view/helpers/text_helper.rb in Ruby on Rails 4.x before 4.0.2 allows remote attackers to inject arbitrary web script or HTML via a crafted HTML attribute.

Patch / fix

  • rubygems actionpack 4.0.2

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2013-6416 updated cvss 4.3

rubygem-actionpack: simple_format XSS

  • Red Hat CloudForms Management Engine 5 ruby193-rubygem-actionpack Red Hat OpenShift Enterprise 1 ruby193-rubygem-actionpack Red Hat OpenStack Platform 3 ruby193-rubygem-actionpack Red Hat OpenStack Platform 4 ruby193-rubygem-actionpack Red Hat Satellite 6 ruby193-rubygem-actionpack Red Hat Software Collections ror40-rubygem-actionpack, ruby193-rubygem-actionpack
    +1 more products
    Red Hat Subscription Asset Manager rubygem-actionpack, ruby193-rubygem-actionpack
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.96% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected packages

ecosystem package affected fixed in
rubygems actionpack
>=4.0.0, <4.0.2
4.0.2

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.