EUVD-2026-87538
GHSA-fq23-jr6g-77fx
Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Contributor is a low-privilege authenticated role so PR:L (not vendor's PR:H); network REST route, no UI; only title/status metadata leaks giving C:L, I:N, A:N.
Primary rating from Vendor (WPScan).
CVSS VectorVendor: WPScan
Lifecycle Timeline
6DescriptionCVE.org
The MCP Server for WordPress WordPress plugin before 1.8.2 does not perform an object-level authorization check on one of its workflow REST routes, allowing users with the Contributor role to disclose the title and publication status of any post, page or custom post type, including other users' private, draft, pending and scheduled content.
AnalysisAI
Contributor-level users on WordPress sites running the MCP Server for WordPress plugin before 1.8.2 can enumerate the title and publication status of any post, page, or custom post type - including other users' private, draft, pending, and scheduled content - by calling a workflow REST route that performs no object-level authorization check. The impact is read-only metadata disclosure (CWE-200): no post bodies, no write access, and no availability impact, and EPSS is 0.14% (3rd percentile) with no KEV listing, though publicly available exploit code exists. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires an authenticated account with at least the WordPress Contributor role on a site running the 'MCP Server for WordPress' plugin at a version before 1.8.2; the specific workflow REST route lacking the object-level authorization check must be reachable (default plugin behavior). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a low-severity information disclosure issue and the signals are internally consistent in pointing to LOW real-world priority - but note a metric disagreement worth flagging. … 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 MCP Server for WordPress plugin to 1.8.2 or later - this is a vendor-released patch (version 1.8.2, per the WPScan advisory at https://wpscan.com/vulnerability/79c3ae87-fc63-42b1-bb68-c7420060f9d4/) and the update should be applied through the WordPress plugin updater or by deploying the tagged 1.8.2 package; because the fix only changes authorization logic on an existing route, it is low-risk to roll out without functional regression testing beyond confirming your MCP workflows still respond. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-200 – Information Exposure
View allSame technique Information Disclosure
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External POC / Exploit Code
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