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CVE-2011-2931

UnknownEPSS 2.49%

Last modified

CVE-2011-2931 is a vulnerability of currently unknown severity. Cross-site scripting (XSS) vulnerability in the strip_tags helper in actionpack/lib/action_controller/vendor/html-scanner/html/node.rb in Ruby on Rails before 2.3.13, 3.0.x before 3.0.10, and 3.1.x before 3.1.0.rc5 allows remote attackers to inject arbitrary web script or HTML via a tag with an invalid name.. EPSS estimates a 2.49% chance of exploitation in the next 30 days.

Description

Cross-site scripting (XSS) vulnerability in the strip_tags helper in actionpack/lib/action_controller/vendor/html-scanner/html/node.rb in Ruby on Rails before 2.3.13, 3.0.x before 3.0.10, and 3.1.x before 3.1.0.rc5 allows remote attackers to inject arbitrary web script or HTML via a tag with an invalid name.

Metrics

EPSS Probability
2.49%

82.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
RubyonrailsRails2.0.0—
RubyonrailsRails2.0.1—
RubyonrailsRails2.0.2—
RubyonrailsRails2.0.4—
RubyonrailsRails2.1.0—
RubyonrailsRails2.1.1—
RubyonrailsRails2.1.2—
RubyonrailsRails2.2.0—
RubyonrailsRails2.2.1—
RubyonrailsRails2.2.2—
RubyonrailsRails2.3.2—
RubyonrailsRails2.3.3—
RubyonrailsRails2.3.4—
RubyonrailsRails2.3.9—
RubyonrailsRails2.3.10—
RubyonrailsRails2.3.11—
RubyonrailsRails2.3.12—
RubyonrailsRails3.0.0—
RubyonrailsRails3.0.1—
RubyonrailsRails3.0.2—
RubyonrailsRails3.0.3—
RubyonrailsRails3.0.4Rc1
RubyonrailsRails3.0.5—
RubyonrailsRails3.0.6—
RubyonrailsRails3.0.7—
RubyonrailsRails3.0.8—
RubyonrailsRails3.0.9—
RubyonrailsRails3.0.10Rc1
RubyonrailsRails3.1.0—
RubyonrailsRuby On Rails3.0.4—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-2931?
Cross-site scripting (XSS) vulnerability in the strip_tags helper in actionpack/lib/action_controller/vendor/html-scanner/html/node.rb in Ruby on Rails before 2.3.13, 3.0.x before 3.0.10, and 3.1.x before 3.1.0.rc5 allows remote attackers to inject arbitrary web script or HTML via a tag with an invalid name.
How severe is CVE-2011-2931?
Severity scoring for CVE-2011-2931 is pending analysis. The EPSS model estimates a 2.49% probability of exploitation in the next 30 days.
How do I fix CVE-2011-2931?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-2931?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST