How severe is CVE-2013-6416?

CVE-2013-6416 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2013-6416 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-6416?

CVE-2013-6416 primarily affects Rubyonrails Rails. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-6416?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-6416 published?

CVE-2013-6416 was published on 2013-12-07 and last updated on 2026-06-17.

CVE-2013-6416

CVE-2013-6416 is a medium-severity vulnerability in Rubyonrails Rails with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Rubyonrails Rails
Published: 2013-12-07
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2013-6416?: 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.
How severe is CVE-2013-6416?: CVE-2013-6416 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2013-6416 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-6416?: CVE-2013-6416 primarily affects Rubyonrails Rails. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-6416?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-6416 published?: CVE-2013-6416 was published on 2013-12-07 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:rubyonrails:rails:*:-:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:4.0.0:-:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:4.0.0:beta:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:4.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:4.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:4.0.1:rc1:*:*:*:*:*:*

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