High severity · published Aug 10, 2026
CVE-2026-17540
Bit File Manager < 6.9.1 - Subscriber+ Arbitrary File Read and Deletion via Connector Command Request-Source Mismatch
8.8
CVSS
1.8%
EPSS
No
On KEV
Description
The File Manager WordPress plugin before 6.9.1 does not properly authorise its file management commands, allowing any authenticated user, such as a subscriber, to read and delete arbitrary files under the WordPress installation directory, which could lead to the disclosure of the site's configuration secrets and to denial of service.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 79% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FM
File Manager ·
before 6.9.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-17540
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-17540
wpscan.com
https://wpscan.com/vulnerability/096cb7df-26a5-4f5f-bbec-725e063a2b75/
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