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Stored cross-site scripting in Power Charts Lite WordPress plugin versions up to 0.1.0 allows authenticated contributors and above to inject arbitrary JavaScript into pages via the 'id' parameter of the [pc] shortcode. The vulnerability exists because the plugin extracts user-supplied shortcode attributes, directly concatenates them into HTML class attributes without sanitization, and then decodes HTML entities, creating a persistent XSS payload that executes for all users viewing the affected page. No active exploitation has been confirmed, but the attack requires only standard WordPress contributor permissions and no additional complexity.
Stored cross-site scripting in Power Charts Lite WordPress plugin versions up to 0.1.0 allows authenticated contributors and above to inject arbitrary JavaScript into pages via the 'id' parameter of the [pc] shortcode. The vulnerability exists because the plugin extracts user-supplied shortcode attributes, directly concatenates them into HTML class attributes without sanitization, and then decodes HTML entities, creating a persistent XSS payload that executes for all users viewing the affected page. No active exploitation has been confirmed, but the attack requires only standard WordPress contributor permissions and no additional complexity.