Is CVE-2023-4827 in the CISA KEV catalog?

No. CVE-2023-4827 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-4827?

CVE-2023-4827 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2023-4827?

CVE-2023-4827 has an EPSS score of 6.84% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-4827?

Upgrade filester to 1.8 or later.

CVE & CISA-KEV Catalog

CVE-2023-4827

HIGHEPSS 93th pctl

8.8

CVSS v3

NVD

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.

How to fix

Remediation Available

filesterNVD

Affected:< 1.8Fixed in:1.8CVE-2023-4827derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

6.84%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Exploit1

wpscan.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-04-23.