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TI-2020-12782 Aliases CVE-2020-16254GHSA-3j95-fjv2-3m4p

The Chartkick gem through 3.3.2 for Ruby allows Cascading Style Sheets (CSS) Injection (without attribute).

Priority LOW 29CWE-74Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

The Chartkick gem through 3.3.2 for Ruby allows Cascading Style Sheets (CSS) Injection (without attribute).

Why it matters now

EPSS 0.00758 55th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed chartkick (RubyGems): 3.4.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—chartkick (RubyGems)before 3.4.03.4.0Patch availableGHSA-3j95-fjv2-3m4p
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • chartkick (RubyGems) Vendor— Affected before 3.4.0 Fixed in 3.4.0 Patch available GHSA-3j95-fjv2-3m4p

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:chartkick_project:chartkick:*:*:*:*:*:ruby:*:*up to 3.3.2VulnerableChartkick Project
  • cpe:2.3:a:chartkick_project:chartkick:*:*:*:*:*:ruby:*:* Versions up to 3.3.2 Vulnerable ·Chartkick Project

Remediation

  • Fix · GHSA-3j95-fjv2-3m4p chartkick (RubyGems) Fixed in 3.4.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-16254
  2. 2026-10-03 Alias added: GHSA-3j95-fjv2-3m4p

References

  • TI-2019-09523 The Chartkick gem through 3.1.0 for Ruby allows XSS. CVSS 3.0MEDIUM 4.7

Sources