EUVD-2026-39692
GHSA-4jhm-9928-rqx4
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Unauthenticated network callback with no UI yields AV:N/AC:L/PR:N/UI:N; broken-auth state tampering gives I:H while C:N/A:N reflect no data exposure or downtime.
Primary rating from Vendor (patchstack).
CVSS VectorVendor: patchstack
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Lifecycle Timeline
2DescriptionCVE.org
Unauthenticated Broken Authentication in CorvusPay WooCommerce Payment Gateway <= 2.7.4 versions.
Articles & Coverage 1
AnalysisAI
Authentication bypass in the CorvusPay WooCommerce Payment Gateway plugin for WordPress (versions 2.7.4 and earlier) lets unauthenticated remote attackers manipulate the payment/integration workflow without valid credentials, per the CVSS 3.1 vector (AV:N/PR:N) and CWE-288. The flaw scores 7.5 with integrity impact only (I:H, C:N, A:N), meaning an attacker can tamper with trusted state - most plausibly forging payment confirmation/callback validation - rather than steal data or take a site down. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires only that a reachable WordPress site runs the CorvusPay WooCommerce Payment Gateway plugin at version 2.7.4 or earlier with its checkout/callback endpoints network-accessible - per AV:N/AC:L/PR:N/UI:N there is no authentication, no user interaction, and no special access needed against such an installation. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Signals are mixed and partly conflicting, which should temper prioritization. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who knows a target WooCommerce store uses the CorvusPay plugin sends a crafted unauthenticated HTTP request to the plugin's exposed payment/callback handler, exploiting the missing authentication check to alter trusted order or integration state - for example forging a successful-payment confirmation to obtain goods without paying. The attack requires only network access and low complexity (AV:N/AC:L/PR:N/UI:N) and no victim interaction; no public POC is currently identified, which modestly raises the effort to weaponize. |
| Remediation | No exact fixed version is provided in the supplied data, so the patched build cannot be independently confirmed here; consult the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/corvuspay-woocommerce-integration/vulnerability/wordpress-corvuspay-woocommerce-payment-gateway-plugin-2-7-4-broken-authentication-vulnerability?_s_id=cve) for the vendor's fixed release and upgrade beyond 2.7.4 as soon as it is published. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Disable the CorvusPay plugin on all affected WordPress sites and switch to an alternative payment gateway; audit transaction logs for suspicious activity since deployment. …
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