The Frontend File Manager Plugin plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 23.6 due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to download arbitrary file downloads.
CVE-2026-5337 is a medium severity with CVSS 4.3 Authorization Bypass issue affecting the Plugin Frontend File Manager Plugin. It affects Versions up to 23.6 and is listed without a confirmed patched release.
Use the related hub and response guides to connect this CVE-2026-5337 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-2026-5337 is tracked for the Plugin Frontend File Manager Plugin as medium severity with CVSS 4.3. The affected range is Versions up to 23.6. No fixed release is listed in this feed entry, so operators should monitor the vendor and reference links before accepting the risk.
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.
No patched version is listed, so the record is useful mainly for monitoring and risk acceptance decisions.
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 23.6.
Monitor vendor advisories because this Authorization Bypass issue has no fixed release listed here.
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-2026-5337 |
| Patched Versions |
No patched versions published.
|
| Affected Versions |
Versions up to 23.6
|
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 Plugin <= 21.2 - Cross-Site Request Forgery to File Upload
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
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