Is CVE-2023-4300 in the CISA KEV catalog?

No. CVE-2023-4300 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-4300?

CVE-2023-4300 has a CVSS v3 base score of 7.2 (HIGH).

What is the EPSS score for CVE-2023-4300?

CVE-2023-4300 has an EPSS score of 1.70% (74th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-4300?

Upgrade import xml and rss feeds to 2.1.4 or later.

CVE & CISA-KEV Catalog

CVE-2023-4300

HIGHEPSS 74th pctl

7.2

CVSS v3

NVD

Description

The Import XML and RSS Feeds WordPress plugin before 2.1.4 does not filter file extensions for uploaded files, allowing an attacker to upload a malicious PHP file, leading to Remote Code Execution.

How to fix

Remediation Available

import xml and rss feedsNVD

Affected:< 2.1.4Fixed in:2.1.4CVE-2023-4300derived 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 RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.70%probability of exploitation in 30 days

74thpercentile

Elevated risk: more likely to be exploited than 74% 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.