Is CVE-2023-6140 in the CISA KEV catalog?

No. CVE-2023-6140 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-6140?

CVE-2023-6140 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2023-6140?

CVE-2023-6140 has an EPSS score of 1.09% (62th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-6140?

Upgrade essential real estate to 4.4.0 or later.

CVE & CISA-KEV Catalog

CVE-2023-6140

HIGH

8.8

CVSS v3

NVD

Description

The Essential Real Estate WordPress plugin before 4.4.0 does not prevent users with limited privileges on the site, like subscribers, from momentarily uploading malicious PHP files disguised as ZIP archives, which may lead to remote code execution.

CWE-434Unrestricted File Upload

How to fix

Remediation Available

essential real estateNVD

Affected:< 4.4.0Fixed in:4.4.0CVE-2023-6140derived 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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.09%probability of exploitation in 30 days

62ndpercentile

Moderate risk: more likely to be exploited than 62% of all known CVEs.

References

Exploit1

wpscan.com

Related Vulnerabilities

Other CWE-434 (Unrestricted File Upload) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12617	High	8.1	100%	KEV	Fix
CVE-2018-15961	Critical	9.8	100%	KEV	-
CVE-2021-31207	Medium	6.6	100%	KEV + Ransom	Fix
CVE-2017-12615	High	8.1	100%	KEV + Ransom	-
CVE-2025-31324	Critical	10.0	99%	KEV + Ransom	-
CVE-2024-50623	Critical	9.8	99%	KEV + Ransom	Fix

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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 2024-11-21.