Stored Cross-Site Scripting Vulnerability in Charts Ninja Plugin for WordPress
CVE-2026-4730

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Charts Ninja: Create Beautiful Graphs & Charts And Easily Add Them To Your Website
Vendor
CVE Published:
5 May 2026

What is CVE-2026-4730?

The Charts Ninja plugin for WordPress allows users to create and add various graphs and charts to their websites. However, the plugin is susceptible to Stored Cross-Site Scripting due to inadequate input sanitization and output escaping in the 'chartid' shortcode attribute. This vulnerability allows authenticated attackers with Contributor-level access or higher to inject arbitrary scripts into pages. These scripts get executed whenever a user accesses the compromised page, exposing users to potential malicious activities.

Affected Version(s)

Charts Ninja: Create Beautiful Graphs & Charts and Easily Add Them to Your Website 0 <= 2.1.0

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://wordpress.org/plugins/charts-ninja-graphs-and-charts
https://plugins.trac.wordpress.org/browser/charts-ninja-g...

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Djaidja Moundjid
.