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Ninja Forms CVE-2024-37934

CRITICAL
Code Injection (CWE-94)
2024-07-09 audit@patchstack.com
RCE Code Injection Ninja Forms Ninjaforms
9.8
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-94
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Code injection prevention, sandbox exec
MITRE ATT&CK

2 techniques across 2 tactics: Execution, Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived

A remote attacker could inject and execute arbitrary code within the application by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.
Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 0.5% exploitation probability (EPSS)

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AnalysisAI

Improper Control of Generation of Code ('Code Injection') vulnerability in Saturday Drive Ninja Forms allows Code Injection.8.4. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Never evaluate user-controlled input as code. Use sandboxing, disable dangerous functions, apply strict input validation.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified as Code Injection (CWE-94), which allows attackers to inject and execute arbitrary code within the application. Improper Control of Generation of Code ('Code Injection') vulnerability in Saturday Drive Ninja Forms allows Code Injection.8.4. Affected products include: Ninjaforms Ninja Forms. Version information: through 3.8.4..

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

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.

Threat Intelligence Overview

EPSS Score
0.5%
Top 63% exploitable
Data Quality
2 sources
Confidence: Low
NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 0.5%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

49
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +49
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Code Injection CRITICAL

Code injection occurs when an application accepts user input and passes it directly into a language interpreter or evaluator without proper sanitization.

Remote Code Execution CRITICAL

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)NVD

cpe:2.3:a:ninjaforms:ninja_forms:*:*:*:*:*:wordpress:*:*

More in Ninja Forms

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CVE-2016-1209 CRITICAL POC
9.8 May 14

The Ninja Forms plugin before 2.9.42.1 for WordPress allows remote attackers to conduct PHP object injection attacks via
CVE-2026-92438 HIGH POC
8.8 Sep 22

Stored cross-site scripting in the Ninja Forms WordPress plugin 3.15.3 lets an unauthenticated visitor plant a script pa
CVE-2021-24163 HIGH POC
8.8 Apr 05

The AJAX action, wp_ajax_ninja_forms_sendwp_remote_install_handler, did not have a capability check on it, nor did it ha
CVE-2018-16308 HIGH POC
8.6 Sep 01

The Ninja Forms plugin before 3.3.14.1 for WordPress allows CSV injection. Rated high severity (CVSS 8.6), this vulnerab
CVE-2026-91827 HIGH POC
7.5 Sep 22

PHP Object Injection in the Ninja Forms WordPress plugin 3.15.3 allows unauthenticated attackers to plant serialized pay
CVE-2022-2903 HIGH POC
7.2 Sep 26

The Ninja Forms Contact Form WordPress plugin before 3.6.13 unserialises the content of an imported file, which could le
CVE-2021-24889 HIGH POC
7.2 Nov 29

The Ninja Forms Contact Form WordPress plugin before 3.6.4 does not escape keys of the fields POST parameter, which coul
CVE-2021-34647 MEDIUM POC
6.5 Sep 22

The Ninja Forms WordPress plugin is vulnerable to sensitive information disclosure via the bulk_export_submissions funct
CVE-2024-7354 MEDIUM POC
6.1 Sep 02

The Ninja Forms WordPress plugin before 3.8.11 does not escape an URL before outputting it back in an attribute, leading
CVE-2023-37979 MEDIUM POC
6.1 Jul 27

Unauth. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low at
CVE-2023-1835 MEDIUM POC
6.1 May 15

The Ninja Forms Contact Form WordPress plugin before 3.6.22 does not properly escape user input before outputting it bac
CVE-2021-24165 MEDIUM POC
6.1 Apr 05

In the Ninja Forms Contact Form WordPress plugin before 3.4.34, the wp_ajax_nf_oauth_connect AJAX action was vulnerable

Same weakness CWE-94 – Code Injection

View all
CVE-2023-3519 CRITICAL POC
9.8
CVE-2021-22205 CRITICAL POC
10.0
CVE-2012-0158 HIGH POC
8.8
CVE-2021-44529 CRITICAL POC
9.8
CVE-2014-6287 CRITICAL POC
9.8
CVE-2017-7494 CRITICAL POC
9.8
CVE-2013-3906 HIGH POC
7.8
CVE-2017-9822 HIGH POC
8.8

Same technique RCE

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CVE-2021-44228 CRITICAL POC
10.0
CVE-2017-7269 CRITICAL POC
9.8
CVE-2022-47966 CRITICAL POC
9.8
CVE-2012-4681 CRITICAL POC
9.8
CVE-2015-5119 CRITICAL POC
9.8
CVE-2016-4117 CRITICAL POC
9.8
CVE-2015-3113 CRITICAL POC
9.8

References

Advisories & patches
REF 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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