CVE-2026-66444

WordPress Payment Forms for Paystack plugin <= 4.0.5 - Sensitive Data Exposure vulnerability

Subscriber Sensitive Data Exposure in Payment Forms for Paystack <= 4.0.5 versions.

We have discovered 506 live websites that are affected by CVE-2026-66444.

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Affected Software

Product  Payment Forms For Paystack
Category Wordpress Plugins
Vulnerable Domains506 live websites (100% of Payment Forms For Paystack install base)
Vulnerable Versions
  • from 0 through 4.0.5
Vulnerable Versions Count7 versions ( 100% of all versions)


Common Weakness Enumeration

CWE-497 Exposure of Sensitive System Information to an Unauthorized Control Sphere



Details

  • Published - Aug 13, 2026
  • Updated - Aug 13, 2026

Credits

  • Muhan Luo | Patchstack Bug Bounty Program (finder)

Website Distribution by Country

Number of websites using CVE-2026-66444
United States296 websites


Nigeria68 websites
GB40 websites
Germany29 websites
Cyprus22 websites
South Africa12 websites
France11 websites
Kenya4 websites
United Arab Emirates3 websites

Website Distribution by TLD

Number of websites using CVE-2026-66444
.com220 websites
.org182 websites
.net10 websites
.co2 websites
.io1 websites

Vulnerable Versions

Vulnerable versions are highlighted in red

Websites affected by CVE-2026-66444

Top websites that are affected by CVE-2026-66444. Please click on the "Contact us" link to get more information.
DomainCountryRankContacts
****.delivery France*,***,***
*********************.com United States*,***,***
********.org United States*,***,***
******.***.ng Nigeria*,***,***
*****.***.ng United States*,***,***
******************.org United States*,***,***
***********.com United States*,***,***
**************.com GB*,***,***
**************.org United States*,***,***
*************.org United States*,***,***
See full domain list

FAQ

CVE-2026-66444 is Exposure of Sensitive System Information to an Unauthorized Control Sphere in Payment Forms For Paystack
A total of 506 websites have been identified as vulnerable to CVE-2026-66444, based on global website indexing conducted by WebTechSurvey.
The Payment Forms For Paystack is affected by the CVE-2026-66444 vulnerability.
Payment Forms For Paystack versions up to and including 4.0.5 are vulnerable to CVE-2026-66444.