EUVD-2026-62291
GHSA-5c3c-g52p-xg2h
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
AC:H reflects the prerequisite deployment state (API enabled, zero keys generated); impact is confidentiality-only with no integrity or availability effect.
Primary rating from Vendor (wpscan).
CVSS VectorVendor: wpscan
Lifecycle Timeline
5DescriptionCVE.org
The Membership For WooCommerce WordPress plugin before 3.1.2 does not check that an API consumer secret has actually been generated before comparing it against the one supplied in a request, allowing unauthenticated attackers to reach its REST routes and disclose any user's membership plan details on sites where the API has been enabled but no keys were ever generated.
AnalysisAI
Unauthenticated access to REST API routes in the Membership For WooCommerce WordPress plugin (all versions before 3.1.2) exposes any user's membership plan details due to a broken authentication pre-check. The plugin compares a supplied consumer secret against one that was never generated, meaning the authentication gate collapses entirely on sites where the API is enabled but no consumer key pairs have been created. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Two specific conditions must simultaneously exist: (1) the Membership For WooCommerce plugin's REST API integration must be enabled in the plugin settings - this is not the default WordPress REST API, but a feature toggle within the plugin itself; and (2) no API consumer key/secret pairs may have ever been generated for the plugin. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The NVD-assigned CVSS 5.3 (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N) accurately captures the network reachability and lack of authentication required once the vulnerable state exists. … 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 | The primary fix is to upgrade the Membership For WooCommerce plugin to version 3.1.2 or later, which resolves the missing existence-check before secret comparison per the vendor advisory. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-287 – Improper Authentication
View allSame technique Authentication Bypass
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External POC / Exploit Code
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