EUVD-2026-54195
GHSA-2xcr-jvj8-gv2p
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Public REST endpoint requires no authentication or complexity; high integrity impact reflects direct financial fraud; confidentiality and availability are unaffected.
Primary rating from Vendor (wpscan).
CVSS VectorVendor: wpscan
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Lifecycle Timeline
3DescriptionCVE.org
The CoCart WordPress plugin before 4.9.0 does not validate a user-supplied price value against the actual product price when items are added to the cart through one of its public REST API endpoints, allowing unauthenticated users to set arbitrary product prices and complete WooCommerce orders at manipulated totals.
AnalysisAI
Price manipulation in the CoCart WordPress plugin before 4.9.0 allows unauthenticated remote attackers to purchase WooCommerce products at arbitrarily low prices by supplying a manipulated price value through the plugin's public REST API cart endpoint. The server accepts the attacker-controlled price without comparing it to the canonical product price, enabling completed orders at near-zero cost and direct financial loss to store operators. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions are required beyond CoCart (version before 4.9.0) being installed and active on a WooCommerce site - this is the default, intended deployment state of the plugin, since exposing unauthenticated public REST API cart endpoints is its primary function. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.5 High score (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N) accurately reflects the attack's accessibility: unauthenticated, network-reachable, zero-complexity exploitation against a default-configured plugin whose entire value proposition is exposing public REST endpoints. … 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 | Upgrade CoCart to version 4.9.0 or later, which introduces server-side validation of client-supplied price values against the authoritative product price. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, restrict the CoCart REST API cart endpoint to authenticated users only or deploy WAF rules to block requests containing manipulated price parameters; if neither is immediately feasible, implement emergency server-side price validation at checkout. …
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