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Published: 03/10/2019 Updated: 09/10/2019

CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6

CVSS v3 Base Score: 6.1 | Impact Score: 2.7 | Exploitability Score: 2.8

VMScore: 383

Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

A stored XSS vulnerability in the Visualizer plugin 3.3.0 for WordPress allows an unauthenticated malicious user 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.

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CWE-79 https://wpvulndb.com/vulnerabilities/9893 https://wordpress.org/plugins/visualizer/#developers https://nathandavison.com/blog/wordpress-visualizer-plugin-xss-and-ssrf https://nvd.nist.gov

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CVE-2019-16931

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