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CVE-2026-1189: LeadBI Plugin for WordPress <= 1.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'form_id' Shortcode Attribute

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-24 · updated 2026-06-17
• Weakness: CWE-79

Description

The LeadBI Plugin for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'form_id' parameter of the 'leadbi_form' shortcode in all versions up to, and including, 1.7 due to insufficient input sanitization and output escaping on user supplied attributes. 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.

Affected products

• LeadBI Plugin for WordPress: through 1.7

References

• https://plugins.trac.wordpress.org/browser/leadbi/tags/1.7/includes/Plugin.php#L72
• https://plugins.trac.wordpress.org/browser/leadbi/trunk/includes/Plugin.php#L72
• https://wordpress.org/plugins/leadbi/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/3a196eaa-64c7-447b-9384-b58fcba57ec0?source=cve

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