The "Frontend File Manager Plugin" plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 21.2. This is due to missing or incorrect nonce validation on the wpfm_upload_file function. This makes it possible for unauthenticated attackers to upload files on behalf of other users, via forged request granted they can trick such a user into performing an action such as clicking on a link.
CVE-2022-3126 is a high severity with CVSS 8.8 File Upload issue affecting the Plugin Frontend File Manager Plugin. It affects Versions up to 21.2 and is fixed in 21.3.
Use the related hub and response guides to connect this CVE-2022-3126 report with patch validation, scanner checks, and site hardening work.
Open the grouped hub for related CVEs, affected ranges, severity mix, and patch coverage.
Check access, XML-RPC exposure, backup readiness, and monitoring after patching.
Use containment, evidence capture, remediation, and validation steps when exploit risk is high.
CVE-2022-3126 is tracked for the Plugin Frontend File Manager Plugin as high severity with CVSS 8.8. The affected range is Versions up to 21.2. Update Frontend File Manager Plugin to 21.3 or newer where that version is compatible with the site.
Search engines and operators need more than a title. This page exposes the identifier, affected range, patch evidence, and source coverage that make the vulnerability actionable.
This report has a CVE identifier, which makes it suitable for focused search and vulnerability triage workflows.
Affected version data gives operators a concrete comparison point against installed WordPress software.
A fixed version is present, so the page can answer update and remediation intent directly.
External references are available for source validation, advisory review, and incident notes.
Use these checks when converting this record into a patch ticket, incident note, or risk acceptance decision.
Inventory the installed Plugin package and compare its version with Versions up to 21.2.
Confirm Frontend File Manager Plugin is updated to 21.3 or newer.
Review references and CVSS vector details for exploitability, authentication requirements, and exposure path.
After patching, re-run vulnerability monitoring and keep the related plugin or theme hub under review for follow-up CVEs.
| Software Type | Plugin |
|---|---|
| Software Slug |
nmedia-user-file-uploader
View on wordpress.org
|
| CVE | CVE-2022-3126 |
| Patched Versions |
21.3
|
| Affected Versions |
Versions up to 21.2
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Frontend File Manager <= 18.2 - Authenticated Settings Change leading to Arbitrary File Upload
Frontend File Manager Plugin <= 22.5 - Authenticated (Editor+) Directory Traversal
Frontend File Manager <= 18.2 - Unauthenticated Arbitrary File Download
Frontend File Manager <= 21.2 - Authenticated (Subscriber+) Arbitrary File Upload
Frontend File Manager Plugin < 3.6 - Arbitrary File Upload
Frontend File Manager Plugin <= 23.6 - Authenticated (Subscriber+) Arbitrary File Deletion
Frontend File Manager <= 23.4 - Authenticated (Subscriber+) Arbitrary File Deletion
Frontend File Manager Plugin <= 23.5 - Missing Authorization to Unauthenticated Arbitrary File Sharing via 'file_id' Parameter
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