File Manager 6.0 — 6.9 - Missing Authorization to Authenticated (Subscriber+) Arbitrary File Read and Deletion via 'cmd' Query Parameter
CVE-2026-15991Published · Updated Action summary
Affected: 6.0 – 6.9Update to 6.9.1 or newer
All remediation steps- Severity
- High8.8
- CVSS
- 8.8CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:LPrivileges required- Low
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:HIntegrity- High
A:HAvailability- High
- Weakness
- CWE-862 Missing Authorization
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
File Manager file-manager
- Affected6.0 – 6.9
- Patched in6.9.1
Update to 6.9.1 or newer.
You are affected if you run 6.0 – 6.9. Version 6.9.1 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under File Manager.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 6.9.1, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch File Manager to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to daroo.
The File Manager plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the connector function in all versions from 6.0 - 6.9. This makes it possible for authenticated attackers, with subscriber-level access and above, to read and delete arbitrary files on the server, which can lead to remote code execution when the right file is deleted (such as wp-config.php). The bypass is triggered by passing cmd=rm or cmf=file in the URL query string of a POST request: elFinder's bind registration reads the command exclusively from $_POST and therefore never registers the rm.pre permission handler, while the dispatcher reads from the merged $_GET+$_POST superglobal and executes the rm or file command unchecked against a volume that defaults to ABSPATH.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in File Manager
All 13| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.3 | Unauthenticated File Activity Log Disclosure ≤6.9.0Update to 6.9.1 | CVE-2026-17541 | |
| Medium6.5 | Authenticated (Subscriber+) Arbitrary File Read ≤6.9.0Update to 6.9.1 | CVE-2026-17540 | |
| Medium4.3 | Authenticated (Subscriber+) Information Exposure ≤6.9.0Update to 6.9.1 | CVE-2026-17542 | |
| Medium6.4 | Authenticated (Subscriber+) Stored Cross-Site Scripting via SVG File Uploads ≤6.7Update to 6.8 | CVE-2025-1725 | |
| Medium6.8 | Authenticated (Subscriber+) Limited JavaScript File Upload ≤6.5.7Update to 6.5.8 | CVE-2024-8743 |
- Medium5.3Unauthenticated File Activity Log Disclosure
≤6.9.0Update to 6.9.1
- Medium6.5Authenticated (Subscriber+) Arbitrary File Read
≤6.9.0Update to 6.9.1
- Medium4.3Authenticated (Subscriber+) Information Exposure
≤6.9.0Update to 6.9.1
- Medium6.4Authenticated (Subscriber+) Stored Cross-Site Scripting via SVG File Uploads
≤6.7Update to 6.8
- Medium6.8Authenticated (Subscriber+) Limited JavaScript File Upload
≤6.5.7Update to 6.5.8
Same weakness (Missing Authorization)
All Missing Authorization| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header | CVE-2026-120688 | |
| Critical9.8 | Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission | CVE-2026-125055 | |
| Critical9.8 | Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter | CVE-2026-119077 | |
| Medium5.3 | Unauthenticated Sensitive Information Exposure in 'search' Parameter | CVE-2026-121518 |
- High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup
≤5.25.25Update to 5.26.45
- Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder
≤1.0.2Update to 1.1
- Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System
≤3.3.9Update to 3.4.0
- Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce
≤5.127.0Update to 5.128.0
Timeline
CVE published
Severity high, CVSS 8.8
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- [object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.