WordPress security changelog
MEDIUM CVE-2026-66444 Deferred

Payment Forms for Paystack: Sensitive information exposure

Payment Forms for Paystack is affected by sensitive information exposure. Exploitation requires an authenticated subscriber account. Successful exploitation can disclose data that should not be available to the caller. The published affected range is n/a through 4.0.5.

CVE / CNA score 6.5 CVSS 3.1 · audit@patchstack.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
Payment Forms for Paystack
Plugin slug
payment-forms-for-paystack
Affected
n/a through 4.0.5
Safe version
See mitigation notes
Published
Aug 13, 2026
Weakness
CWE-497 — Exposure of Sensitive System Information to an Unauthorized Control Sphere

This CVE was published Aug 13, 2026 and is one of 5 known issues for this plugin.

Update, patch or deactivate.

No fixed release is identified. Update Payment Forms for Paystack when a release after 4.0.5 becomes available; until then, disable and remove it when the site's risk warrants.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

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

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Primary and upstream sources