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CVE-2026-94504

📛 CVE Title

Ninja Forms – The Contact Form Builder That Grows With You <= 3.15.3 - Stored Cross-Site Scripting

Description

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.

Overview

State
PUBLISHED
Assigner (CNA)
Wordfence
CVSS severity
HIGH
CVSS score
CVSS 7.2 / 10 7.2 7.2 / 10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Effective score
7.2 / 10 HIGH source: CNA overview
CWE(s)
CWE-79
Reserved
2026-09-21
Published
2026-09-22 06:39 UTC
Last updated
2026-09-22 14:13 UTC
Source
https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/94xxx/CVE-2026-94504.json
Linked Threat
CVE-2026-94504 — Ninja Forms – The Contact Form Builder That Grows With You <= 3.15.3 - Unauthenticated Stored Cross-Site Scripting

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published
2026-09-22 07:16:31 UTC
NVD last modified
2026-09-22 19:04:55 UTC
NVD CVSS v3.1
CVSS 7.2 / 10 7.2 7.2 / 10 HIGH source: security@wordfence.com
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Exploitability subscore
3.9 / 10
Impact subscore
2.7 / 10
EPSS score
0.0029 (probability of exploitation in next 30 days)
EPSS percentile
22.05% vs all CVEs — higher = more likely to be exploited, as of 2026-09-22

NVD / KEV / EPSS data refreshed 2026-09-23 02:31 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID
EUVD-2026-84281
Assigner
Wordfence
Published
Sep 22, 2026, 6:39:41 AM
Updated
Sep 22, 2026, 2:13:49 PM
EUVD base score (CVSS 3.1)
7.2 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
EUVD-reported EPSS
0.2900
Vendors
kstover
Products
Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder (0 ≤3.15.3)
Aliases
GHSA-9248-28p4-jpfp

ENISA description: 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.

EUVD references (6)

Affected products (1)

VendorProductVersionsPlatforms
kstover Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder 0 (affected) —

Vendor references (6)

References embedded in the original CVE record by the assigning CNA.

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

NVD-tagged references (6)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

Indicators (1)

IOCs linked to the auto-promoted Threat row.

TypeValueVirusTotalAttached
cve CVE-2026-94504 no local data 2026-09-21 20:36 UTC

Flagged vendors

    Remediations (1)

    Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

    • Wordfence remediation: Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder
      Wordfence

      Update to version 3.15.4, or a newer patched version

      2026-09-21 20:36 UTC

    AI Forensic Analysis

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    Raw JSON

    The full cvelistV5 record. Download as CVE-2026-94504.json.

    {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
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                  "content": {
                    "id": "CVE-2026-94504",
                    "options": [
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                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-09-22T14:13:42.051303Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
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            "providerMetadata": {
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              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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            },
            "title": "CISA ADP Vulnrichment"
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        "cna": {
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              "vendor": "kstover",
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                {
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                  "version": "0",
                  "versionType": "semver"
                }
              ]
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          ],
          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "value": "Hippolyte Qu\u00e9r\u00e9 (Hippie) (Hippie)"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
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            }
          ],
          "metrics": [
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                "baseSeverity": "HIGH",
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          "problemTypes": [
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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"
            },
            {
              "url": "https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.3/includes/Database/Models/Submission.php#L205"
            },
            {
              "url": "https://plugins.trac.wordpress.org/changeset?reponame=&new=3705719%40ninja-forms%2Ftags%2F3.15.4&old=3685242%40ninja-forms%2Ftags%2F3.15.3"
            }
          ],
          "timeline": [
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              "lang": "en",
              "time": "2026-09-11T20:28:47.000Z",
              "value": "Vendor Notified"
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              "time": "2026-09-21T18:15:56.000Z",
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        "dateReserved": "2026-09-21T18:14:35.313Z",
        "dateUpdated": "2026-09-22T14:13:49.472Z",
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