CVE-2025-2561

Ninja Forms < 3.10.1 - Admin+ Stored XSS

The Ninja Forms WordPress plugin before 3.10.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

We have discovered 44,999 live websites that are affected by CVE-2025-2561.

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Affected Software

Product  Ninja Forms
Category Form Builders
Vulnerable Domains44,999 live websites (34% of Ninja Forms install base)
Vulnerable Versions
  • from 0 through 3.10.1
Vulnerable Versions Count212 versions ( 91% of all versions)


Common Weakness Enumeration

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')



Details

  • Published - May 19, 2025
  • Updated - Jan 9, 2026

Credits

  • Bob Matyas (finder)
  • WPScan (coordinator)

Website Distribution by Country

Number of websites using CVE-2025-2561
United States17,406 websites


Germany4,343 websites
GB3,086 websites
France2,663 websites
Netherlands1,563 websites
Italy1,412 websites
Australia1,201 websites
Canada1,172 websites
Spain970 websites
Switzerland668 websites

Website Distribution by TLD

Number of websites using CVE-2025-2561
.com21,165 websites
.org2,430 websites
.de2,409 websites
.co.uk2,165 websites
.nl1,444 websites
.fr1,215 websites
.com.au1,090 websites
.net1,003 websites
.it937 websites
.ca664 websites

Vulnerable Versions

Vulnerable versions are highlighted in red

Websites affected by CVE-2025-2561

Top websites that are affected by CVE-2025-2561. Please click on the "Contact us" link to get more information.
DomainCountryRankContacts
**********.com United States*,***
****************.com United States*,***
****************.com United States*,***
************.com United States**,***
**********.ro Romania**,***
**************.com United States**,***
**************.com United States**,***
*******.**.il Israel**,***
*****************.fr France**,***
************.org United States**,***
See full domain list

FAQ

CVE-2025-2561 is Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Ninja Forms
A total of 44,999 websites have been identified as vulnerable to CVE-2025-2561, based on global website indexing conducted by WebTechSurvey.
The Ninja Forms is affected by the CVE-2025-2561 vulnerability.
Ninja Forms versions up to 3.10.1 are vulnerable to CVE-2025-2561.
CVE-2025-2561 is resolved in version 3.10.1 of Ninja Forms.