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4 vulnerabilities found for Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder by kstover
CVE-2026-90438 (GCVE-0-2026-90438)
Vulnerability from nvd – Published: 2026-10-02 05:30 – Updated: 2026-10-02 05:30
VLAI
EPSS
VEX
Title
Ninja Forms <= 3.15.4 - Unauthenticated Stored Cross-Site Scripting via Paragraph Text (RTE) Field Submission
Summary
The Ninja Forms – The Contact Form Builder That Grows With You plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Paragraph Text (RTE) Field Submission in all versions up to, and including, 3.15.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This is only exploitable when the targeted Paragraph Text field has the Rich Text Editor (RTE) option enabled.
Severity
7.2 (High)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
11 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| kstover | Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder |
Affected:
0 , ≤ 3.15.4
(semver)
|
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}
],
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}
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],
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}
]
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],
"providerMetadata": {
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{
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},
{
"url": "https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.3/build/submissions.js#L1"
},
{
"url": "https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.3/includes/Helper.php#L261"
},
{
"url": "https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.3/includes/Database/Models/Submission.php#L308"
},
{
"url": "https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.3/includes/AJAX/Controllers/Submission.php#L61"
},
{
"url": "https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.2/build/submissions.js#L1"
},
{
"url": "https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.2/includes/Helper.php#L261"
},
{
"url": "https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.2/includes/Database/Models/Submission.php#L308"
},
{
"url": "https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.2/includes/AJAX/Controllers/Submission.php#L61"
},
{
"url": "https://plugins.trac.wordpress.org/changeset?reponame=\u0026new=3717122%40ninja-forms%2Ftags%2F3.15.5\u0026old=3705719%40ninja-forms%2Ftags%2F3.15.4"
},
{
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}
],
"timeline": [
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},
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"value": "Disclosed"
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],
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"datePublished": "2026-10-02T05:30:17.547Z",
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"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-94504 (GCVE-0-2026-94504)
Vulnerability from nvd – Published: 2026-09-22 06:39 – Updated: 2026-09-22 14:13
VLAI
EPSS
VEX
Title
Ninja Forms – The Contact Form Builder That Grows With You <= 3.15.3 - Stored Cross-Site Scripting
Summary
Ninja Forms 3.15.3 stores an anonymous non-RTE textarea value and renders it without safe HTML encoding in the legacy submission editor. An attacker can break out of the textarea with stored script. When an Administrator opens the attacker-known direct submission URL, the script runs in the WordPress admin origin.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 14:13 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
6 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| kstover | Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder |
Affected:
0 , ≤ 3.15.3
(semver)
|
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"timestamp": "2026-09-22T14:13:42.051303Z",
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
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}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Hippolyte Qu\u00e9r\u00e9 (Hippie) (Hippie)"
}
],
"descriptions": [
{
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"value": "Ninja Forms 3.15.3 stores an anonymous non-RTE textarea value and renders it without safe HTML encoding in the legacy submission editor. An attacker can break out of the textarea with stored script. When an Administrator opens the attacker-known direct submission URL, the script runs in the WordPress admin origin."
}
],
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}
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"references": [
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},
{
"url": "https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.3/includes/Fields/Textarea.php#L35"
},
{
"url": "https://plugins.trac.wordpress.org/browser/ninja-forms/trunk/includes/Fields/Textarea.php#L35"
},
{
"url": "https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.3/includes/Templates/admin-metabox-sub-fields.html.php#L23"
},
{
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},
{
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}
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"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-90438 (GCVE-0-2026-90438)
Vulnerability from cvelistv5 – Published: 2026-10-02 05:30 – Updated: 2026-10-02 05:30
VLAI
EPSS
VEX
Title
Ninja Forms <= 3.15.4 - Unauthenticated Stored Cross-Site Scripting via Paragraph Text (RTE) Field Submission
Summary
The Ninja Forms – The Contact Form Builder That Grows With You plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Paragraph Text (RTE) Field Submission in all versions up to, and including, 3.15.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This is only exploitable when the targeted Paragraph Text field has the Rich Text Editor (RTE) option enabled.
Severity
7.2 (High)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
11 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| kstover | Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder |
Affected:
0 , ≤ 3.15.4
(semver)
|
{
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"defaultStatus": "unaffected",
"product": "Ninja Forms \u2013 Contact Form Builder with Calculators, Quizzes, Signatures \u0026 AI Form Builder",
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}
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}
],
"metrics": [
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"problemTypes": [
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{
"url": "https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.3/build/submissions.js#L1"
},
{
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},
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},
{
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},
{
"url": "https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.2/build/submissions.js#L1"
},
{
"url": "https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.2/includes/Helper.php#L261"
},
{
"url": "https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.2/includes/Database/Models/Submission.php#L308"
},
{
"url": "https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.2/includes/AJAX/Controllers/Submission.php#L61"
},
{
"url": "https://plugins.trac.wordpress.org/changeset?reponame=\u0026new=3717122%40ninja-forms%2Ftags%2F3.15.5\u0026old=3705719%40ninja-forms%2Ftags%2F3.15.4"
},
{
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}
],
"timeline": [
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},
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"value": "Disclosed"
}
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}
},
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"datePublished": "2026-10-02T05:30:17.547Z",
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"state": "PUBLISHED"
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"dataType": "CVE_RECORD",
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CVE-2026-94504 (GCVE-0-2026-94504)
Vulnerability from cvelistv5 – Published: 2026-09-22 06:39 – Updated: 2026-09-22 14:13
VLAI
EPSS
VEX
Title
Ninja Forms – The Contact Form Builder That Grows With You <= 3.15.3 - Stored Cross-Site Scripting
Summary
Ninja Forms 3.15.3 stores an anonymous non-RTE textarea value and renders it without safe HTML encoding in the legacy submission editor. An attacker can break out of the textarea with stored script. When an Administrator opens the attacker-known direct submission URL, the script runs in the WordPress admin origin.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 14:13 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
6 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| kstover | Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder |
Affected:
0 , ≤ 3.15.3
(semver)
|
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"title": "Ninja Forms \u2013 The Contact Form Builder That Grows With You \u003c= 3.15.3 - Stored Cross-Site Scripting"
}
},
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"state": "PUBLISHED"
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