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CTX Feed EUVDEUVD-2026-53912

| CVE-2026-66709 CRITICAL
Code Injection (CWE-94)
2026-08-06 Patchstack GHSA-3gm5-3v88-c49w
9.1
CVSS 3.1 · Vendor: Patchstack
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Severity by source

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

Shop Manager role is required (PR:H) via the network-facing admin UI with no user interaction; code injection yields server RCE beyond the app, so S:C and full C/I/A:H.

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

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Aug 06, 2026 - 15:37 vuln.today
CVE Published
Aug 06, 2026 - 14:28 cve.org
CRITICAL 9.1

DescriptionCVE.org

Shop manager Remote Code Execution (RCE) in CTX Feed <= 6.6.42 versions.

AnalysisAI

Remote code execution in the CTX Feed (WebAppick Product Feed for WooCommerce) WordPress plugin through version 6.6.42 allows a user holding the Shop Manager role to inject and execute arbitrary code (CWE-94) on the underlying server. The CVSS 3.1 score of 9.1 reflects a scope change where WooCommerce-level access translates into full host compromise. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Authenticate as Shop Manager
Delivery
Open CTX Feed config in wp-admin
Exploit
Inject code into feed template/field
Execution
Plugin evaluates injected PHP
Persist
Execute arbitrary code on server
Impact
Pivot to full host compromise

Vulnerability AssessmentAI

Exploitation Exploitation requires an authenticated account with the WooCommerce Shop Manager role (CVSS PR:H) on a WordPress site running CTX Feed <= 6.6.42; the attacker abuses the plugin's feed-generation/configuration functionality to inject code (CWE-94). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS vector (AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H = 9.1 Critical) signals network-reachable, low-complexity exploitation with full CIA impact and a scope change, but the PR:H requirement is the key mitigating factor: an attacker must already hold the elevated Shop Manager role. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario A user with the WooCommerce Shop Manager role (a rogue insider or an attacker who phished/compromised such an account) opens the CTX Feed configuration in wp-admin and supplies a crafted feed field or template value that is evaluated as PHP. The plugin executes the injected code, giving the attacker command execution on the web server and a foothold to pivot into the wider host. …
Remediation No vendor-released patch version is identified in the available data; the advisory only confirms that versions <= 6.6.42 are vulnerable, so administrators should monitor the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/webappick-product-feed-for-woocommerce/vulnerability/wordpress-ctx-feed-plugin-6-6-42-remote-code-execution-rce-vulnerability) and the WordPress.org plugin page and upgrade to the first release above 6.6.42 as soon as it is published. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: audit all WooCommerce user accounts to identify Shop Manager role holders, document the current roster, and restrict Shop Manager permissions to essential trusted administrators only. …

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EUVD-2026-53912 vulnerability details – vuln.today

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