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CVE-2023-4827: filester vulnerability
CVE-2023-4827: high vulnerability affecting filester. Check CVSS, KEV status, business impact and recommended administrator actions.
- CVSS
- 8.8 HIGH
- EPSS
- 94.36%
- Known exploited
- not in KEV
- Product
- filester
What is known
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.
Business impact
Successful exploitation of CVE-2023-4827, a high vulnerability (CVSS 8.8) affecting filester, may affect the confidentiality, integrity or availability of the vulnerable environment. The exact impact depends on the installed version, exposed interfaces and deployment configuration.
Recommended administrator action
Confirm whether filester is present and compare installed versions with the vendor advisory and NVD record. Apply the vendor patch or documented mitigation; until remediation is complete, reduce exposure of affected interfaces, review relevant logs and monitor for indicators of exploitation. DataHouse can support version verification, managed patching, network exposure reduction, log review and backup validation for dedicated, cloud and colocated environments.