Executive Summary

The Forminator Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting (XSS) via the form_name parameter in all versions up to and including 1.50.2. This vulnerability exists because the plugin does not properly sanitize input or escape output. Authenticated attackers with administrator-level access can inject arbitrary web scripts into pages, which will execute whenever a user accesses those pages. Additionally, since the plugin allows admins to grant form management permissions to lower-level users, such as subscribers, these users might also exploit this vulnerability.

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Impact Analysis

This vulnerability can allow attackers with certain access privileges to inject malicious scripts into the website. These scripts can execute in the context of users visiting the affected pages, potentially leading to theft of sensitive information, session hijacking, or unauthorized actions performed on behalf of users. Since the vulnerability requires administrator-level or delegated form management permissions, it could be exploited by trusted users with lower privileges if those permissions are granted.

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Compliance Impact

I don't know

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Detection Guidance

I don't know

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Mitigation Strategies

The vulnerability affects all versions of the Forminator Forms plugin up to and including 1.50.2. Immediate mitigation involves updating the plugin to a version later than 1.50.2 where the vulnerability is fixed.

Additionally, restrict administrator-level access and carefully manage form management permissions given to lower-level users to reduce the risk of exploitation.

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