CVE-2026-94504: Ninja Forms (WordPress plugin) · Cross-site Scripting
Affects Ninja Forms (WordPress plugin)Source CVE Database V5
Not known to be exploited · CVSS 7.2 High.
Data as of 6 Nov 2026, 23:24 UTC
- EPSS
- 0.6% chance of exploitation in 30 days – higher than 49% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 22 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 6 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| kstoverNinja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder | Affected
| Fixed in– |
AI-suggested
Until a fix is available, administrators should exercise caution when opening submission URLs from untrusted sources and consider restricting access to the legacy submission editor or disabling it if possible.
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.
References
- wordfence.com/threat-intel/vulnerabilities/id/c599a562-5218-4b37-bcf7-0e82008a4e68?source=cve (opens in a new tab)
- plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.3/includes/Fields/Textarea.php (opens in a new tab)
- plugins.trac.wordpress.org/browser/ninja-forms/trunk/includes/Fields/Textarea.php (opens in a new tab)
- plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.3/includes/Templates/admin-metabox-sub-fields.html.php (opens in a new tab)
- plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.3/includes/Database/Models/Submission.php (opens in a new tab)
- plugins.trac.wordpress.org/changeset?reponame=&new=3705719%40ninja-forms%2Ftags%2F3.15.4&old=3685242%40ninja-forms%2Ftags%2F3.15.3 (opens in a new tab)