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Total Processing (WooCommerce) CVE-2026-16947

| EUVDEUVD-2026-68044 CRITICAL
Server-Side Request Forgery (SSRF) (CWE-918)
2026-08-29 WPScan GHSA-675h-pw44-fcfq
9.1
CVSS 3.1 · Vendor: WPScan
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Severity by source

Vendor (WPScan) PRIMARY
9.1 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
vuln.today AI
9.1 CRITICAL

Unauthenticated network SSRF with low complexity and no interaction; high confidentiality (credential disclosure) and integrity (forged paid orders), no availability impact.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (WPScan).

CVSS VectorVendor: WPScan

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

5
POC Analysis Generated
Aug 31, 2026 - 11:26 vuln.today
CVE Published
Aug 31, 2026 - 10:50 cve.org
CRITICAL 9.1
Analysis Generated
Aug 30, 2026 - 01:23 vuln.today
CVSS changed
Aug 30, 2026 - 01:22 NVD
9.1 (CRITICAL)
CVE Published
Aug 29, 2026 - 06:00 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

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.

AnalysisAI

Server-side request forgery in the Total Processing card payments plugin for WooCommerce (all versions through 7.3) lets unauthenticated remote attackers control the destination of the plugin's server-side payment-verification request. Because the plugin neither validates the user-supplied path nor authenticates the gateway's response, an attacker can redirect the verification call to a host they control to harvest the merchant's payment-gateway credentials and forge a fake success response that marks arbitrary WooCommerce orders as paid. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation The target WordPress site must have the Total Processing card payments for WooCommerce plugin (version ≤7.3) installed and active with WooCommerce checkout using this gateway. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 base score of 9.1 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N) reflects a network-reachable, low-complexity, unauthenticated flaw with high confidentiality and integrity impact and no availability impact - consistent with credential disclosure plus fraudulent order approval. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation No vendor-released patch is identified at time of analysis - the plugin is reported vulnerable through version 7.3 with no fixed release specified in the input data, so consult the WPScan advisory (https://wpscan.com/vulnerability/53fe46b3-e8c4-448e-aa80-b7fb02fffa51/) and the vendor for an updated version before deploying. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-16947 vulnerability details – vuln.today

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