What’s Vulnerable › Vulnerabilities

CVE-2023-4109: Ninja Forms < 3.6.26 - Admin+ Stored HTML Injection

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-30 · updated 2026-06-17

Description

The Ninja Forms WordPress Ninja Forms Contact Form WordPress plugin before 3.6.26 was affected by a HTML Injection security vulnerability.

Affected products

• Ninjaforms Ninja Forms Contact Form: before 3.6.26 — fixed in 3.6.26

How to fix

Upgrade to a fixed version: Ninjaforms Ninja Forms Contact Form 3.6.26. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/558e06ab-704b-4bb1-ba7f-b5f6bbbd68d9
• https://wpscan.com/vulnerability/558e06ab-704b-4bb1-ba7f-b5f6bbbd68d9

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