CVE-2023-4827: File Manager Pro < 1.8 - Remote Code Execution via CSRF

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-10-16 · updated 2026-06-17

Description

The File Manager Pro WordPress plugin before 1.8 does not properly check the CSRF nonce in the `fs_connector` AJAX action. This allows attackers to make highly privileged users perform unwanted file system actions via CSRF attacks by using GET requests, such as uploading a web shell.

Affected products

ninjateam File Manager Pro – Filester: before 1.8 — fixed in 1.8

How to fix

Upgrade to a fixed version: ninjateam File Manager Pro – Filester 1.8. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/d4daf0e1-8018-448a-964c-427a355e005f
https://wpscan.com/vulnerability/d4daf0e1-8018-448a-964c-427a355e005f

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