CVE-2026-19221

Forminator Forms < 1.57.0.5 - Admin+ Network-Wide RCE via Hub Connector API Key on Multisite

The Forminator Forms WordPress plugin before 1.57.0.5 does not restrict a network-wide setting to network administrators, allowing an administrator of any single site on a multisite network to execute arbitrary code across the entire network.

We have discovered 62,663 live websites that are affected by CVE-2026-19221.

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Affected Software

Product  Forminator
Category Wordpress Plugins
Vulnerable Domains62,663 live websites (84% of Forminator install base)
Vulnerable Versions
  • from 1.40 through 1.57.0.5
Vulnerable Versions Count43 versions ( 28% of all versions)


Common Weakness Enumeration

CWE-94 Improper Control of Generation of Code ('Code Injection')



Details

  • Published - Aug 22, 2026
  • Updated - Aug 23, 2026

Credits

  • Jakub Herman (finder)
  • WPScan (coordinator)

Website Distribution by Country

Number of websites using CVE-2026-19221
United States20,661 websites


Germany5,326 websites
GB4,452 websites
France4,420 websites
Denmark2,518 websites
Netherlands2,034 websites
Canada1,971 websites
Italy1,759 websites
India1,707 websites
Australia1,600 websites

Website Distribution by TLD

Number of websites using CVE-2026-19221
.com26,628 websites
.org3,527 websites
.de3,208 websites
.co.uk2,834 websites
.fr2,426 websites
.dk2,145 websites
.nl1,864 websites
.com.au1,473 websites
.it1,309 websites
.ca1,129 websites

Vulnerable Versions

Vulnerable versions are highlighted in red

Websites affected by CVE-2026-19221

Top websites that are affected by CVE-2026-19221. Please click on the "Contact us" link to get more information.
DomainCountryRankContacts
********.org United States*,***
***********.dk Denmark*,***
************.org France*,***
*******.com United States*,***
***********.net United States**,***
**************.com United States**,***
********.it Italy**,***
*********.gr Greece**,***
*******.com GB**,***
*****************.***.uk GB**,***
See full domain list

FAQ

CVE-2026-19221 is Improper Control of Generation of Code ('Code Injection') in Forminator
A total of 62,663 websites have been identified as vulnerable to CVE-2026-19221, based on global website indexing conducted by WebTechSurvey.
The Forminator is affected by the CVE-2026-19221 vulnerability.
Forminator versions up to 1.57.0.5 are vulnerable to CVE-2026-19221.
CVE-2026-19221 is resolved in version 1.57.0.5 of Forminator.