CVE-2019-16931

PoC ×2—

CVSS 3.1

6.1 medium

EPSS

3%p88

Published

Oct 3, 2019 (Oct 3, 2019)

Modified

Jun 17, 2026

Description

A stored XSS vulnerability in the Visualizer plugin 3.3.0 for WordPress allows an unauthenticated attacker to execute arbitrary JavaScript when an admin or other privileged user edits the chart via the admin dashboard. This occurs because classes/Visualizer/Gutenberg/Block.php registers wp-json/visualizer/v1/update-chart with no access control, and classes/Visualizer/Render/Page/Data.php lacks output sanitization.

Vendors: themeisle
Products: visualizer
Ecosystems: WordPress
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (3.3%)

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