CVE-2023-4279

User Activity Log <= 1.6.6 - IP Address Spoofing

2023-08-14 00:00

Strategic Overview

Status: Patched in 1.6.7
Affected Plugin: User Activity Log
Affected Version: <= 1.6.6
CVSS: 5.3Medium
Weakness type: CWE-348 · Use of Less Trusted Source
CVE: CVE-2023-4279

View all User Activity Log vulnerabilities

At a glance

CVE-2023-4279 is a medium-severity Use of Less Trusted Source vulnerability in the User Activity Log WordPress plugin, affecting versions <= 1.6.6. It carries a CVSS score of 5.3 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 1.6.7; sites on affected versions should update now. Disclosed August 2023, reported by Bartłomiej Marek.

Vulnerability Overview

The User Activity Log plugin for WordPress is vulnerable to IP Address Spoofing in versions up to and including 1.6.6. This is due to insufficient restrictions on where the IP Address information is being retrieved for request logging. Attackers can supplied the X-Forwarded-For header with with a different IP Address that will be logged.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site, and no interaction from a victim user.

CWE-348: Use of Less Trusted Source

The product has two different sources of the same data or information, but it uses the source that has less support for verification, is less trusted, or is less resistant to attack.

Remediation

Update to version 1.6.7, or a newer patched version

How does WordSec protect against this?

The attempt arrives as an ordinary request to User Activity Log: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: User Activity Log 1.6.7 closes this, and updating the plugin is the step that ends it.

Firewall
Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2023-4279 https://www.wordfence.com/threat-intel/vulnerabilities/id/77462f1f-f7d8-4d11-aaf1-82395897fcfa https://nvd.nist.gov/vuln/detail/CVE-2023-4279

Related records

Other vulnerabilities in User Activity Log

CVSS Vector

5.3

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityLow
AvailabilityNone

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