Medium severity · published Jun 27, 2025
CVE-2025-5398
Ninja Forms <= 3.10.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via CSTI
5.4
CVSS
0.2%
EPSS
No
On KEV
Description
The Ninja Forms – The Contact Form Builder That Grows With You plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the use of a templating engine in all versions up to, and including, 3.10.2.1 due to insufficient output escaping on user data passed through the template. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NF
Ninja Forms – The Contact Form Builder That Grows With You · kstover
through 3.10.2.1 · source: vendor
NF
Ninja Forms · Ninjaforms
before 3.10.2.2 · source: NVD
Affected product
NF
Ninja Forms – The Contact Form Builder That Grows With You
kstover
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-5398
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-5398
Product
https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.10.1/assets/js/min/front-end.js
Patch
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3317181%40ninja-forms&new=3317181%40ninja-forms&sfp_email=&sfph_mail=
Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/92d106c6-a910-4f41-94d1-59f6b7f3aeb0?source=cve
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