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CVE-2024-39628· NVD / CVE Program· CNA Patchstack

WordPress Ninja Forms plugin <= 3.8.6 - Cross Site Request Forgery (CSRF) vulnerability

Cross-Site Request Forgery (CSRF) vulnerability in Saturday Drive Ninja Forms allows Cross Site Request Forgery.This issue affects Ninja Forms: from n/a through 3.8.6.

HighCVSS 8.8 · v3.1—No exploit Fix available
Published
Aug 26, 2024
Updated
Jun 17, 2026
EPSS
0.2% · 9th percentile
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JSON

Action score

35

Monitor

Low priority for now.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
8.8
CNA · Patchstack
5.4
3.4 point gap

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
ninjaformsninja forms

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • ninjaforms ninja formsbefore 3.8.7

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Patchstack). Independent of NVD's CPE analysis and usually ahead of it.

  • Saturday Drive Ninja Forms

    • n/a and later · up to and including 3.8.6affectedfixed in 3.8.7

Same product

ninjaforms: all records

Other highest-scoring records for the same primary product.

  • CVE-2016-1209The Ninja Forms plugin before 2.9.42.1 for WordPress allows remote attackers to conduct PHP object injection attacks via crafted serialized
    57Plan
  • CVE-2025-9083Ninja-forms < 3.11.1 - Unauthenticated PHP Objection
    39Monitor
  • CVE-2024-37934WordPress Ninja Forms plugin <= 3.8.4 - Subscriber+ Arbitrary Shortcode Execution vulnerability
    39Monitor
  • CVE-2023-38386WordPress Ninja Forms plugin <= 3.6.25 - Contributor+ Broken Access Control vulnerability
    39Monitor
  • CVE-2024-0685Ninja Forms Contact Form <= 3.7.1 - Unauthenticated Second Order SQL Injection
    39Monitor
  • CVE-2018-20981The ninja-forms plugin before 3.3.9 for WordPress has insufficient restrictions on submission-data retrieval during Export Personal Data req
    37Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Saturday Drive Ninja Forms3.8.7Vendor (CNA)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2024-25572138 days apartCross-site request forgery (CSRF) vulnerability exists in Ninja Forms prior to 3.4.31.
    35Monitor
  • CVE-2025-10498396 days apartNinja Forms – The Contact Form Builder That Grows With You <= 3.12.0 - Cross-Site Request Forgery to Limited File Deletion
    21Monitor
  • CVE-2024-2113150 days apartNinja Forms Contact Form – The Drag and Drop Form Builder for WordPress <= 3.8.0 - Cross-Site Request Forgery to Publicly Accessible Form Submission Export
    17Monitor
  • CVE-2025-10499396 days apartNinja Forms – The Contact Form Builder That Grows With You <= 3.12.0 - Cross-Site Request Forgery to Plugin Settings Update
    17Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-352 · Cross-Site Request Forgery (CSRF)

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

nvd-primary

Root cause

State-changing requests rely on the session cookie the browser sends automatically; nothing verifies that the request came from the user’s own page.

The bug in code

The whole CWE-352 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
app.use(session({ cookie: { httpOnly: true } }));app.post("/account/address", updateAddress);

Fixed

ts
app.use(session({ cookie: { httpOnly: true, sameSite: "lax" } }));app.post("/account/address", csrfProtection, updateAddress);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

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Change log

  1. Fix✗ → ✓

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References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records