CVE-2024-37934: WordPress Ninja Forms plugin <= 3.8.4 - Subscriber+ Arbitrary Shortcode Execution vulnerability

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-07-09 · updated 2026-06-17
Weakness: CWE-94

Description

Improper Control of Generation of Code ('Code Injection') vulnerability in Saturday Drive Ninja Forms allows Code Injection.This issue affects Ninja Forms: from n/a through 3.8.4.

Affected products

kstover Ninja Forms – The Contact Form Builder That Grows With You: before 3.8.5 — fixed in 3.8.5

How to fix

Upgrade to a fixed version: kstover Ninja Forms – The Contact Form Builder That Grows With You 3.8.5. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/vulnerability/ninja-forms/wordpress-ninja-forms-plugin-3-8-4-subscriber-arbitrary-shortcode-execution-vulnerability?_s_id=cve
https://patchstack.com/database/vulnerability/ninja-forms/wordpress-ninja-forms-plugin-3-8-4-subscriber-arbitrary-shortcode-execution-vulnerability?_s_id=cve

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