SB2021092401 - Multiple vulnerabilities in Ninja Forms plugin for WordPress

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Input validation error (CVE-ID: CVE-2021-34648)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to insufficient validation of user-supplied input in the "trigger_email_action" function in the ~/includes/Routes/Submissions.php file. A remote authenticated attacker can use a specially crafted email to socially engineer victims.

2) Information disclosure (CVE-ID: CVE-2021-34647)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in the "bulk_export_submissions" function in the ~/includes/Routes/Submissions.php file. A remote authenticated attacker can gain unauthorized access to sensitive information on the system.

Remediation

Install update from vendor's website.

References

• https://www.wordfence.com/blog/2021/09/recently-patched-vulnerabilities-in-ninja-forms-plugin-affects-over-1-million-site-owners/
• https://plugins.trac.wordpress.org/browser/ninja-forms/trunk/includes/Routes/Submissions.php?rev=2543837#L155
• https://plugins.trac.wordpress.org/browser/ninja-forms/trunk/includes/Routes/Submissions.php?rev=2543837#L107