EUVD-2026-70586
GHSA-wjjj-qg6g-7h4c
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
Subscriber account (PR:L) sufficient; network-reachable (AV:N), low complexity; high integrity from role escalation, minimal confidentiality gain, no availability impact.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
2DescriptionCVE.org
Subscriber Privilege Escalation in WCFM Membership <= 2.11.11 versions.
AnalysisAI
Subscriber-level privilege escalation in WCFM Membership WordPress plugin (versions ≤ 2.11.11) enables any authenticated user holding a basic subscriber account to elevate their role to a higher-privileged level, producing high-integrity impact on the affected WordPress/WooCommerce installation. The flaw falls under CWE-266 (Incorrect Privilege Assignment) and was responsibly disclosed by Patchstack. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the target WordPress site to have WCFM Membership plugin version ≤ 2.11.11 installed and active alongside WooCommerce. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N) scores 7.1 and accurately captures the core risk profile: network-reachable, low-complexity exploitation requiring only a subscriber account, 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 WCFM Membership to the version identified as fixed in the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/wc-multivendor-membership/vulnerability/wordpress-wcfm-membership-plugin-2-11-11-privilege-escalation-vulnerability); the precise patched version number is not confirmed in available input data - verify via the WordPress plugin repository or Patchstack directly. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: audit installations of WCFM Membership ≤2.11.11 and determine operational feasibility of plugin deactivation; if remaining active, implement immediate database-level restrictions blocking privilege-level changes for subscriber-role accounts and enable audit logging on wp_usermeta user role modifications. …
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More in Wcfm Membership
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Missing authorization in WCFM Membership WordPress plugin through version 2.11.11 allows unauthenticated remote attacker
Same weakness CWE-266 – Incorrect Privilege Assignment
View allSame technique Privilege Escalation
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External POC / Exploit Code
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