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StoreGrowth WooCommerce CVE-2026-66466

| EUVDEUVD-2026-57885 HIGH
Missing Authorization (CWE-862)
2026-08-13 Patchstack GHSA-877h-862m-46jr
7.5
CVSS 3.1 · Vendor: Patchstack
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Severity by source

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

Network-accessible endpoint requires no auth or interaction; high integrity impact reflects unauthorized store data modification; no confidentiality or availability loss identified.

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

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

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

Lifecycle Timeline

2
Analysis Generated
Aug 13, 2026 - 14:32 vuln.today
CVE Published
Aug 13, 2026 - 13:37 cve.org
HIGH 7.5

DescriptionCVE.org

Unauthenticated Broken Access Control in StoreGrowth: Smart Sales Booster for WooCommerce | BOGO, Upsells, Direct Checkout, Quick View, Side Cart <= 2.1.1 versions.

AnalysisAI

Broken access control in the StoreGrowth: Smart Sales Booster for WooCommerce plugin (versions <= 2.1.1) permits unauthenticated remote attackers to bypass authorization checks and perform privileged store management actions. The root cause is a missing authorization gate (CWE-862), meaning certain plugin endpoints execute sensitive operations without verifying the caller's identity or permissions. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Impact
technique details hidden

Vulnerability AssessmentAI

Exploitation The StoreGrowth: Smart Sales Booster for WooCommerce plugin must be installed and active on a WordPress site running WooCommerce. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N scores 7.5 (High) and accurately reflects the exploitation posture: fully remote, low complexity, no credentials, no user interaction needed, with high integrity impact. … 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 Update the StoreGrowth: Smart Sales Booster for WooCommerce plugin to a version beyond 2.1.1 as soon as a patched release is available from the WordPress plugin repository or the wedevs vendor site. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: identify all WooCommerce installations running StoreGrowth plugin versions ≤2.1.1 and create inventory of affected systems. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-66466 vulnerability details – vuln.today

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