Cross-site scripting (XSS) vulnerability in json/encoding.rb in Active Support in Ruby on…
Priority LOW 25CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- Partial Red Hat: 3 without a fix
Attack profile from CVSS 2.0 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-79.
Summary
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.
Why it matters now
EPSS 0.0276 86th percentileScored 2026-11-07
Fix Partial activesupport (RubyGems): 4.1.11, 4.2.2Red Hat: 3 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | activesupport (RubyGems) | 4.1.0 to before 4.1.11 | 4.1.11 | Patch available | GHSA-vxvp-4xwc-jpp6 |
| — | activesupport (RubyGems) | 4.2.0 to before 4.2.2 | 4.2.2 | Patch available | GHSA-vxvp-4xwc-jpp6 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- activesupport (RubyGems) Vendor— Affected 4.1.0 to before 4.1.11 Fixed in 4.1.11 Patch available GHSA-vxvp-4xwc-jpp6
- activesupport (RubyGems) Vendor— Affected 4.2.0 to before 4.2.2 Fixed in 4.2.2 Patch available GHSA-vxvp-4xwc-jpp6
CPE configurations NVD · 31
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:rubyonrails:rails:3.0.0:*:*:*:*:*:*:* | 3.0.0 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:3.1.0:*:*:*:*:*:*:* | 3.1.0 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:3.2.0:*:*:*:*:*:*:* | 3.2.0 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:3.2.1:*:*:*:*:*:*:* | 3.2.1 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:3.2.2:*:*:*:*:*:*:* | 3.2.2 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:3.2.3:*:*:*:*:*:*:* | 3.2.3 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:3.2.4:*:*:*:*:*:*:* | 3.2.4 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:3.2.5:*:*:*:*:*:*:* | 3.2.5 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:3.2.6:*:*:*:*:*:*:* | 3.2.6 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:3.2.7:*:*:*:*:*:*:* | 3.2.7 | Vulnerable | Rails |
- cpe:2.3:a:rubyonrails:rails:3.0.0:*:*:*:*:*:*:* Versions 3.0.0 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:3.1.0:*:*:*:*:*:*:* Versions 3.1.0 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:3.2.0:*:*:*:*:*:*:* Versions 3.2.0 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:3.2.1:*:*:*:*:*:*:* Versions 3.2.1 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:3.2.2:*:*:*:*:*:*:* Versions 3.2.2 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:3.2.3:*:*:*:*:*:*:* Versions 3.2.3 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:3.2.4:*:*:*:*:*:*:* Versions 3.2.4 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:3.2.5:*:*:*:*:*:*:* Versions 3.2.5 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:3.2.6:*:*:*:*:*:*:* Versions 3.2.6 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:3.2.7:*:*:*:*:*:*:* Versions 3.2.7 Vulnerable ·Rails
Show 21 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:rubyonrails:rails:3.2.8:*:*:*:*:*:*:* | 3.2.8 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:3.2.9:*:*:*:*:*:*:* | 3.2.9 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:3.2.10:*:*:*:*:*:*:* | 3.2.10 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:3.2.11:*:*:*:*:*:*:* | 3.2.11 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:3.2.12:*:*:*:*:*:*:* | 3.2.12 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:3.2.13:*:*:*:*:*:*:* | 3.2.13 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:3.2.15:*:*:*:*:*:*:* | 3.2.15 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:3.2.16:*:*:*:*:*:*:* | 3.2.16 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:3.2.17:*:*:*:*:*:*:* | 3.2.17 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:4.1.0:*:*:*:*:*:*:* | 4.1.0 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:4.1.1:*:*:*:*:*:*:* | 4.1.1 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:4.1.2:*:*:*:*:*:*:* | 4.1.2 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:4.1.3:*:*:*:*:*:*:* | 4.1.3 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:4.1.4:*:*:*:*:*:*:* | 4.1.4 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:4.1.5:*:*:*:*:*:*:* | 4.1.5 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:4.1.6:*:*:*:*:*:*:* | 4.1.6 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:4.1.7:*:*:*:*:*:*:* | 4.1.7 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:4.1.8:*:*:*:*:*:*:* | 4.1.8 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:4.2.0:*:*:*:*:*:*:* | 4.2.0 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:rails:4.2.1:*:*:*:*:*:*:* | 4.2.1 | Vulnerable | Rails |
| cpe:2.3:a:rubyonrails:ruby_on_rails:3.2.14:*:*:*:*:*:*:* | 3.2.14 | Vulnerable | Rails |
- cpe:2.3:a:rubyonrails:rails:3.2.8:*:*:*:*:*:*:* Versions 3.2.8 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:3.2.9:*:*:*:*:*:*:* Versions 3.2.9 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:3.2.10:*:*:*:*:*:*:* Versions 3.2.10 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:3.2.11:*:*:*:*:*:*:* Versions 3.2.11 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:3.2.12:*:*:*:*:*:*:* Versions 3.2.12 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:3.2.13:*:*:*:*:*:*:* Versions 3.2.13 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:3.2.15:*:*:*:*:*:*:* Versions 3.2.15 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:3.2.16:*:*:*:*:*:*:* Versions 3.2.16 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:3.2.17:*:*:*:*:*:*:* Versions 3.2.17 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:4.1.0:*:*:*:*:*:*:* Versions 4.1.0 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:4.1.1:*:*:*:*:*:*:* Versions 4.1.1 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:4.1.2:*:*:*:*:*:*:* Versions 4.1.2 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:4.1.3:*:*:*:*:*:*:* Versions 4.1.3 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:4.1.4:*:*:*:*:*:*:* Versions 4.1.4 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:4.1.5:*:*:*:*:*:*:* Versions 4.1.5 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:4.1.6:*:*:*:*:*:*:* Versions 4.1.6 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:4.1.7:*:*:*:*:*:*:* Versions 4.1.7 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:4.1.8:*:*:*:*:*:*:* Versions 4.1.8 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:4.2.0:*:*:*:*:*:*:* Versions 4.2.0 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:rails:4.2.1:*:*:*:*:*:*:* Versions 4.2.1 Vulnerable ·Rails
- cpe:2.3:a:rubyonrails:ruby_on_rails:3.2.14:*:*:*:*:*:*:* Versions 3.2.14 Vulnerable ·Rails
Remediation
- Fix · GHSA-vxvp-4xwc-jpp6 activesupport (RubyGems) Fixed in 4.1.11 Advisory →
- Fix · GHSA-vxvp-4xwc-jpp6 activesupport (RubyGems) Fixed in 4.2.2 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| CloudForms Management Engine 5 | Affected | No fix planned: Will not fix |
| Red Hat Software Collections | Affected | No fix planned: Will not fix |
| Red Hat Subscription Asset Manager | Affected | No fix planned: Will not fix |
Not affected: 1 product
- Red Hat Software Collections
Timeline
- 2026-10-02 Threatist record created from CVE-2015-3226
- 2026-10-03 Alias added: GHSA-vxvp-4xwc-jpp6
References
Advisory 3
Other 5
- [oss-security] 20150616 [CVE-2015-3226] XSS Vulnerability in ActiveSupport::JSON.encode
- https://github.com/rails/rails
- https://groups.google.com/g/rubyonrails-core/c/qBUqVlXERag/m/kuH3wQk1kxUJ
- https://web.archive.org/web/20200228033946/http://www.securityfocus.com/bid/75231
- https://web.archive.org/web/20200517005133/http://www.securitytracker.com/id/1033755
More Rails vulnerabilities
- TI-2014-00124 Directory traversal vulnerability in actionpack/lib/abstract_controller/base.rb in the… KEVCVSS 3.1HIGH 7.5
- TI-2019-03828 Path traversal in Rails https://github.com/rails/rails KEVCVSS 3.1HIGH 7.5
- TI-2016-00672 Directory traversal vulnerability in Action View in Ruby on Rails before 3.2.22.1, 4.0.x… KEVCVSS 3.1HIGH 7.5
- TI-2019-03830 Command injection in Rails https://github.com/rails/rails CVSS 3.1CRITICAL 9.8
- TI-2020-06581 Code injection in https://github.com/rails/rails CVSS 3.1HIGH 8.8
- TI-2013-00091 active_support/core_ext/hash/conversions.rb in Ruby on Rails before 2.3.15, 3.0.x before… CVSS 2.0HIGH 7.5
Sources
- CVE-2015-3226 · CVE Program
- CVE-2015-3226 · NVD
- FIRST EPSS
- GHSA-vxvp-4xwc-jpp6 · GitHub Advisory Database · CC BY 4.0
- CVE-2015-3226 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences