High severity · published Sep 22, 2026
CVE-2026-92438
Ninja Forms 3.15.3 - Unauthenticated Stored XSS via Paragraph Text Field in Submissions Admin
8.8
CVSS
0.4%
EPSS
No
On KEV
Description
The Ninja Forms WordPress plugin 3.15.3 does not escape submitted form field values before outputting them on the submission edit screen in the admin area, which could allow unauthenticated users to submit values through a public form that then execute in the browser of any high-privileged user who reviews the submission.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NF
Ninja Forms ·
3.15.3 before 3.15.4 · source: vendor
Affected product
NF
Ninja Forms
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