SSRF in Total Processing Card Payments For Woocommerce

CVE-2026-16947

The Total processing card payments for WooCommerce WordPress plugin through 7.3 does not validate a user-supplied path before using it to build a server-side verification request, and does not verify the authenticity of the response, allowing unauthenticated attackers to redirect that request to an arbitrary host (disclosing the merchant's payment-gateway credentials) and to forge a success response that marks arbitrary WooCommerce orders as paid.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (13.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-16947: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • Total Processing Card Payments For Woocommerce

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-16947?
CVE-2026-16947 is a critical-severity vulnerability in Total Processing Card Payments For Woocommerce, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.1/10. Published 2026-08-29.
How severe is CVE-2026-16947?
Critical severity. CVSS v3 base score is 9.1 out of 10.