CVE-2026-4730

MEDIUM

Charts Ninja < 2.1.0 - Authenticated Stored Cross-Site Scripting via Chart ID Shortcode Attribute

Title source: llm
STIX 2.1

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.

References (4)

Core 4

Scores

CVSS v3 6.4
EPSS 0.0019
EPSS Percentile 8.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
commonninja/Charts Ninja: Create Beautiful Graphs & Charts and Easily Add Them to Your Website < 2.1.0
Published May 05, 2026
Tracked Since May 05, 2026