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Ninja Forms CVE-2026-65050

| EUVDEUVD-2026-46270 HIGH
Missing Authorization (CWE-862)
2026-07-21 VulnCheck GHSA-q35h-52xj-jfcj
WordPress Authentication Bypass Ninja Forms
7.1
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
7.1 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
7.7 HIGH

Author-level access is needed to plant the block (PR:L) but the leaked token then discloses data to unauthenticated visitors, crossing a trust boundary (S:C); confidentiality-only impact.

3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Jul 21, 2026 - 15:03 vuln.today
CVE Published
Jul 21, 2026 - 14:26 cve.org
HIGH 7.1

DescriptionCVE.org

Ninja Forms WordPress plugin version 3.14.8 and prior contains a missing authorization vulnerability in the render callback of the ninja-forms/submissions-table Gutenberg block that allows authenticated attackers with Author-level privileges to expose stored form submissions to unauthenticated visitors by embedding the block with an arbitrary formID on a published post. Attackers can retrieve the signed bearer token injected into every page visitor's browser via wp_localize_script and use it against the REST API submissions endpoint to access all saved form submission field values, including sensitive personally identifiable information such as names, email addresses, and phone numbers.

Articles & Coverage 1

News 5 New WordPress Vulnerabilities - 1 Critical, 4 High Severity Jul 22, 2026

AnalysisAI

Broken authorization in the Ninja Forms WordPress plugin (versions 3.14.8 and prior) lets an authenticated Author-level user expose stored form submissions to any unauthenticated site visitor by embedding the ninja-forms/submissions-table Gutenberg block with an arbitrary formID on a published post. Because the block's render callback performs no capability check and injects a signed bearer token into every visitor's browser via wp_localize_script, anyone loading the page can replay that token against the REST submissions endpoint and read all saved field values, including PII such as names, emails, and phone numbers. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Obtain Author-level account
Delivery
Publish post embedding submissions-table block with target formID
Exploit
Visitor loads page, token injected via wp_localize_script
Execution
Harvest signed bearer token from page
Persist
Replay token against REST submissions endpoint
Impact
Exfiltrate stored PII field values
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Vulnerability AssessmentAI

Exploitation Exploitation requires an authenticated WordPress account with at least Author-level privileges to embed the `ninja-forms/submissions-table` Gutenberg block, and the site must run the block editor with Ninja Forms 3.14.8 or earlier and have stored submissions for the targeted formID. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The supplied CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N, base 7.1) captures the shape well: network reachable, low complexity, no user interaction, but requiring low privileges (PR:L) to plant the block, with high confidentiality impact and no integrity or availability impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker who holds or has phished an Author-level WordPress account publishes an innocuous-looking post containing the `ninja-forms/submissions-table` block set to the formID of a sensitive contact or registration form. When any unauthenticated visitor loads that public post, their browser receives the signed bearer token via `wp_localize_script`; the attacker (or an automated scraper) reads that token from the page source and replays it against the REST submissions endpoint to exfiltrate every stored submission's field values, including names, emails, and phone numbers. …
Remediation Patch available per vendor advisory - upgrade Ninja Forms to the fixed release above 3.14.8; consult the plugin changelog at https://wordpress.org/plugins/ninja-forms/changelog/ for the exact patched version (the input does not name a specific fix version, so verify it there before deploying) and review the VulnCheck advisory at https://www.vulncheck.com/advisories/ninja-forms-missing-authorization-in-submissions-table-gutenberg-block-discloses-form-submissions-to-unauthenticated-visitors. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours, identify all WordPress installations using Ninja Forms plugin and document current versions; restrict Author-level user permissions to trusted administrators only and audit all published posts containing Ninja Forms blocks for unintended data exposure. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-65050 vulnerability details – vuln.today
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