Vulnerability CVE-2023-4774
Published: 2023-09-22

Description:
The WP-Matomo Integration (WP-Piwik) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'wp-piwik' shortcode in versions up to, and including, 1.0.28 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

 References:
https://plugins.trac.wordpress.org/changeset/2969705/wp-piwik#file164
https://plugins.trac.wordpress.org/browser/wp-piwik/tags/1.0.28/classes/WP_Piwik/Widget/OptOut.php#L28
https://www.wordfence.com/threat-intel/vulnerabilities/id/faa4f041-4740-4ebb-afb3-10019ce571be?source=cve
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