CVE-2023-35764

Survey Maker <= 4.0.9 - IP Address Spoofing

2024-04-27 00:00

Strategic Overview

Status: Patched in 4.1.0
Affected Plugin: Survey Maker by AYS
Affected Version: <= 4.0.9
CVSS: 5.3Medium
Weakness type: CWE-348 · Use of Less Trusted Source
CVE: CVE-2023-35764

View all Survey Maker by AYS vulnerabilities

At a glance

CVE-2023-35764 is a medium-severity Use of Less Trusted Source vulnerability in the Survey Maker by AYS WordPress plugin, affecting versions <= 4.0.9. 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 4.1.0; sites on affected versions should update now. Disclosed April 2024, reported by Atsuya Yoda.

Vulnerability Overview

The Survey Maker – Best WordPress Survey Plugin plugin for WordPress is vulnerable to IP Address Spoofing in all versions up to, and including, 4.0.9 due to insufficient IP address validation and/or use of user-supplied HTTP headers as a primary method for IP retrieval. This makes it possible for unauthenticated attackers to spoof their IP address.

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 4.1.0, or a newer patched version

How does WordSec protect against this?

The attempt arrives as an ordinary request to Survey Maker by AYS: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: Survey Maker by AYS 4.1.0 closes this, and updating the plugin is the step that ends it.

Firewall
Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2023-35764 https://www.wordfence.com/threat-intel/vulnerabilities/id/ce297421-506c-4230-837e-96200677e1e2 https://nvd.nist.gov/vuln/detail/CVE-2023-35764

Related records

Other vulnerabilities in Survey Maker by AYS

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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