Stored XSS Vulnerability in WP Popup Magic Plugin for WordPress

CVE-2025-13900

What is CVE-2025-13900?

The WP Popup Magic plugin for WordPress suffers from a Stored Cross-Site Scripting (XSS) vulnerability, primarily due to improper input sanitization and output escaping of the 'name' parameter within the [wppum_end] shortcode. This issue allows authenticated attackers with Contributor-level access and above to inject malicious web scripts into pages, which will execute whenever users visit the compromised pages. Such vulnerabilities can lead to severe security breaches, including unauthorized data access and user session hijacking.

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References