CVE-2023-51490

Defender Security <= 4.1.0 - Sensitive Information Exposure via Log File

2023-12-27 00:00

Strategic Overview

Status: Patched in 4.2.0
Affected Plugin: Defender Security – Malware Scanner, Login Security & Firewall
Affected Version: <= 4.1.0
CVSS: 5.3Medium
Weakness type: CWE-532 · Insertion of Sensitive Information into Log File
CVE: CVE-2023-51490

View all Defender Security – Malware Scanner, Login Security & Firewall vulnerabilities

At a glance

CVE-2023-51490 is a medium-severity Insertion of Sensitive Information into Log File vulnerability in the Defender Security WordPress plugin, affecting versions <= 4.1.0. 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 4.2.0; sites on affected versions should update now. Disclosed December 2023, reported by Joshua Chan.

Vulnerability Overview

The Defender Security – Malware Scanner, Login Security & Firewall plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.1.0 via the plugin's log file. This makes it possible for unauthenticated attackers to extract sensitive data including system and plugin information.

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-532: Insertion of Sensitive Information into Log File

The product writes sensitive information to a log file.

Remediation

Update to version 4.2.0, or a newer patched version

How does WordSec protect against this?

The fix is the thing that ends this: Defender Security 4.2.0 closes this, and updating the plugin is the step that ends it.

Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2023-51490 https://www.wordfence.com/threat-intel/vulnerabilities/id/94c8979a-db2e-490f-b055-cdf19a48cf73 https://nvd.nist.gov/vuln/detail/CVE-2023-51490

Related records

Other vulnerabilities in Defender Security – Malware Scanner, Login Security & Firewall

CVSS Vector

5.3

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityLow
IntegrityNone
AvailabilityNone

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