Vulnerability · Published May 5, 2026 · Assigned by Wordfence
CVE-2026-4730Charts Ninja: Create Beautiful Graphs & Charts and Easily Add Them to Your Website <= 2.1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'chartid' Shortcode Attribute
Medium 6.4
In plain English
A medium-severity cross-site scripting in Charts Ninja: Create Beautiful Graphs & Charts and Easily Add Them to Your Website from commonninja. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).
Official description
The Charts Ninja: Create Beautiful Graphs & Charts and Easily Add Them to Your Website plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'chartid' shortcode attribute in all versions up to, and including, 2.1.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| commonninja | Charts Ninja: Create Beautiful Graphs & Charts and Easily Add Them to Your Website | 0 – through 2.1.0 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/491c7680-d270-41ed-a756-9397a0bd86bc?source=cve
- https://wordpress.org/plugins/charts-ninja-graphs-and-charts
- https://plugins.trac.wordpress.org/browser/charts-ninja-graphs-and-charts/tags/2.1.0/chartsninja.php#L24
- https://plugins.trac.wordpress.org/browser/charts-ninja-graphs-and-charts/trunk/chartsninja.php#L24