CVE-2026-8379: CWE-639 Authorization Bypass Through User-Controlled Key in Frontend File Manager Plugin
The Frontend File Manager Plugin for WordPress up to version 23.6 contains an authorization bypass vulnerability. This flaw allows unauthenticated attackers to download files uploaded by any user by exploiting improper nonce enforcement on the file download handler. The vulnerability arises from CWE-639, which involves authorization bypass through user-controlled keys. No patch or official remediation has been confirmed at this time.
AI Analysis
Technical Summary
CVE-2026-8379 is an authorization bypass vulnerability in the Frontend File Manager Plugin for WordPress, affecting versions through 23.6. The plugin fails to properly enforce its nonce check on the file download handler, enabling unauthenticated attackers to iterate over file identifiers and download files uploaded by other users. This vulnerability is categorized under CWE-639, indicating an authorization bypass due to improper validation of user-controlled keys. There is no CVSS score or vendor advisory indicating a patch or fix as of the published date.
Potential Impact
Unauthenticated attackers can download files uploaded by any user via the vulnerable file download handler. This could lead to unauthorized disclosure of sensitive or private files managed through the plugin. There is no indication of remote code execution or privilege escalation, but confidentiality of user-uploaded files is compromised.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the plugin or disable the file download functionality if possible to prevent unauthorized file downloads.
CVE-2026-8379: CWE-639 Authorization Bypass Through User-Controlled Key in Frontend File Manager Plugin
Description
The Frontend File Manager Plugin for WordPress up to version 23.6 contains an authorization bypass vulnerability. This flaw allows unauthenticated attackers to download files uploaded by any user by exploiting improper nonce enforcement on the file download handler. The vulnerability arises from CWE-639, which involves authorization bypass through user-controlled keys. No patch or official remediation has been confirmed at this time.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-8379 is an authorization bypass vulnerability in the Frontend File Manager Plugin for WordPress, affecting versions through 23.6. The plugin fails to properly enforce its nonce check on the file download handler, enabling unauthenticated attackers to iterate over file identifiers and download files uploaded by other users. This vulnerability is categorized under CWE-639, indicating an authorization bypass due to improper validation of user-controlled keys. There is no CVSS score or vendor advisory indicating a patch or fix as of the published date.
Potential Impact
Unauthenticated attackers can download files uploaded by any user via the vulnerable file download handler. This could lead to unauthorized disclosure of sensitive or private files managed through the plugin. There is no indication of remote code execution or privilege escalation, but confidentiality of user-uploaded files is compromised.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the plugin or disable the file download functionality if possible to prevent unauthorized file downloads.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-05-12T08:47:44.253Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3a2a11eed863c81e608879
Added to database: 06/23/2026, 06:39:13 UTC
Last enriched: 06/23/2026, 06:54:04 UTC
Last updated: 06/23/2026, 10:05:43 UTC
Views: 12
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