CVE-2015-3226

VendorrubyonrailsProductrails, ruby on railsDiscoveredJul 26, 2015UpdatedMay 6, 2026

Cross-site scripting (XSS) vulnerability in json/encoding.rb in Active Support in Ruby on Rails 3.x and 4.1.x before 4.1.11 and 4.2.x before 4.2.2 allows remote attackers to inject arbitrary web script or HTML via a crafted Hash that is mishandled during JSON encoding.

View graph Watch Export

CVSS v3.1

—

EPSS

2.78%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

Related IOCs

seen in the same coverage

Connections

3 relationships

CWE-79

source

Timeline

disclosure → media coverage

Jul 26, 2015

Disclosure — published as a CVE record. · last revised by NVD May 6, 2026