Is CVE-2023-4281 in the CISA KEV catalog?

No. CVE-2023-4281 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-4281?

CVE-2023-4281 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2023-4281?

CVE-2023-4281 has an EPSS score of 0.63% (46th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-4281?

Upgrade activity log to 2.8.8 or later.

CVE & CISA-KEV Catalog

CVE-2023-4281

MEDIUM

5.3

CVSS v3

NVD

Description

This Activity Log WordPress plugin before 2.8.8 retrieves client IP addresses from potentially untrusted headers, allowing an attacker to manipulate its value. This may be used to hide the source of malicious traffic.

How to fix

Remediation Available

activity logNVD

Affected:< 2.8.8Fixed in:2.8.8CVE-2023-4281derived 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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.63%probability of exploitation in 30 days

46thpercentile

Moderate risk: more likely to be exploited than 46% of all known CVEs.

References

Exploit1

wpscan.com

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Markdown

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HTML

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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.