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CVE-2023-4827

HIGHCVSS 8.8/10EPSS 6.84%

Last modified

CVE-2023-4827 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 6.84% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability
6.84%

93.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
NinjateamFilester< 1.8

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-4827?
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.
How severe is CVE-2023-4827?
CVE-2023-4827 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 6.84% probability of exploitation in the next 30 days.
How do I fix CVE-2023-4827?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-4827?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST