Medium severity6.4NVD Advisory· Published May 5, 2026· Updated May 5, 2026
CVE-2026-4730
CVE-2026-4730
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
2- Range: <=2.1.0
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4- plugins.trac.wordpress.org/browser/charts-ninja-graphs-and-charts/tags/2.1.0/chartsninja.phpnvd
- plugins.trac.wordpress.org/browser/charts-ninja-graphs-and-charts/trunk/chartsninja.phpnvd
- wordpress.org/plugins/charts-ninja-graphs-and-chartsnvd
- www.wordfence.com/threat-intel/vulnerabilities/id/491c7680-d270-41ed-a756-9397a0bd86bcnvd
News mentions
1- Wordfence Intelligence Weekly WordPress Vulnerability Report (May 4, 2026 to May 10, 2026)Wordfence Blog · May 14, 2026