Frontend File Manager Plugin <= 23.6 - Subscriber+ Arbitrary Download Access via IDOR

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Summary

CVECVE-2026-5337
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-03 07:16:24 UTC
Updated2026-05-03 07:16:24 UTC
DescriptionDuring the analysis, it was identified that authenticated attackers with Subscriber-level access or higher are able to perform an Insecure Direct Object Reference (IDOR) attack. This vulnerability exists because the Frontend File Manager Plugin WordPress plugin through 23.6 does not properly validate user authorization for the requested uploaded file when processing download requests. By modifying the value of the 'file_id' parameter in the download endpoint (e.g., http://localhost/?do=wpfm_download&file_id=40&nm_file_nonce=a36fb893f1), an attacker can access files belonging to other users, including privileged users such as administrators. This allows unauthorized access/read to sensitive data stored within the application.

Risk And Classification

Problem Types: CWE-639 Authorization Bypass Through User-Controlled Key

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown Frontend File Manager Plugin affected 23.6 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/3e28aa78-3227-474a-b1db-1f5ea2c42d14 [email protected] wpscan.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Mohamad Nour Almujarkesh (en)

CNA: WPScan (en)

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