EUVD-2026-67566
GHSA-4qpc-6xpr-g8g2
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Added C:L over the NVD vector because the server absolute path is disclosed in the upload response, constituting a confirmed confidentiality impact absent from the original scoring.
Primary rating from Vendor (WPScan).
CVSS VectorVendor: WPScan
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Lifecycle Timeline
4DescriptionCVE.org
The Shared Files WordPress plugin before 1.7.67, shared-files-pro WordPress plugin before 1.7.70 do not perform a capability check in their file-upload handler, which is registered for unauthenticated users and protected only by a nonce that is output on public pages, so an unauthenticated visitor can upload files to a publicly accessible directory and read the server's absolute path from the response. Uploads are limited to WordPress's allowed MIME types, so executable PHP cannot be uploaded.
AnalysisAI
Unauthenticated file upload in the Shared Files (before 1.7.67) and Shared Files Pro (before 1.7.70) WordPress plugins exposes an upload handler that performs no capability check and relies on a nonce embedded in every public page - making the nonce an ineffective authorization barrier. Any unauthenticated visitor can upload files within WordPress's allowed MIME type list to a publicly accessible server directory, and the server's absolute filesystem path is returned in the response, aiding reconnaissance. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No authentication is required - the CVSS vector is PR:N/AC:L/UI:N, and the upload handler is explicitly registered via the WordPress nopriv AJAX hook, meaning any unauthenticated HTTP client can reach it. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The NVD CVSS 3.1 score of 5.3 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N) captures the low-complexity unauthenticated write path but omits the confirmed path-disclosure component, which constitutes a genuine C:L confidentiality impact and brings the independently assessed vector to CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N. … 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 Shared Files plugin to version 1.7.67 or later and Shared Files Pro to version 1.7.70 or later; vendor patches are confirmed available per EUVD-2026-67566 and the WPScan advisory at https://wpscan.com/vulnerability/a3098be8-aa7a-48ef-9fcc-b67c763debba/. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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