PT-2026-33026 · Dgwyer · Power Charts – Responsive Beautiful Charts & Graphs

Published 2026-04-15 · Updated 2026-04-15 · CVE-2026-4011

Mitre

CVSS v3.1

6.4

Medium

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The Power Charts Lite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'id' parameter of the [pc] shortcode in all versions up to, and including, 0.1.0. This is due to insufficient input sanitization and output escaping on the 'id' shortcode attribute. Specifically, in the pc shortcode() function, the 'id' attribute is extracted from user-supplied shortcode attributes and directly concatenated into an HTML div element's class attribute without any escaping or sanitization at line 62. The resulting HTML is then passed through html entity decode() before being returned, further undermining any potential safety. 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.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-4011

Affected Products

Power Charts – Responsive Beautiful Charts & Graphs

References · 5

• https://plugins.trac.wordpress.org/browser/wpgo-power-charts-lite/trunk/classes/power-charts-shortcodes.php#L40 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/ea41d391-ba8d-43d9-8eda-69ac28c49328?source=cve · Note
• https://plugins.trac.wordpress.org/browser/wpgo-power-charts-lite/tags/0.1.0/classes/power-charts-shortcodes.php#L62 · Note
• https://plugins.trac.wordpress.org/browser/wpgo-power-charts-lite/trunk/classes/power-charts-shortcodes.php#L62 · Note
• https://plugins.trac.wordpress.org/browser/wpgo-power-charts-lite/tags/0.1.0/classes/power-charts-shortcodes.php#L40 · Note