CVE-2024-30522

Newsletter <= 8.2.0 - IP Spoofing

2024-03-28 00:00
Kévin Mosbahi (Mika)

Strategic Overview

Status
Patched in 8.2.1
Affected Version
<= 8.2.0
CVSS
5.3Medium
Weakness type
CWE-348 · Use of Less Trusted Source
CVE
CVE-2024-30522
View all Newsletter – Send awesome emails from WordPress vulnerabilities

At a glance

CVE-2024-30522 is a medium-severity Use of Less Trusted Source vulnerability in the Newsletter WordPress plugin, affecting versions <= 8.2.0. 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 8.2.1; sites on affected versions should update now. Disclosed March 2024, reported by Kévin Mosbahi (Mika).

Vulnerability Overview

The Newsletter – Send awesome emails from WordPress plugin for WordPress is vulnerable to IP Address Spoofing in all versions up to, and including, 8.2.0 due to insufficient IP address validation. This makes it possible for unauthenticated attackers to spoof their IP address and bypass the blocklist.

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 8.2.1, or a newer patched version

How does WordSec protect against this?

The attempt arrives as an ordinary request to Newsletter: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: Newsletter 8.2.1 closes this, and updating the plugin is the step that ends it.

  • Firewall
  • Alerts

External References

Related records

Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C