CVE-2024-37423 HIGH

CVE-2024-37423: WordPress Newspack Blocks plugin <= 3.0.8 - Contributor+ Arbitrary Directory Deletion vulnerability

Vendor Automattic
Product Newspack Blocks
Weakness CWE-22 · Path traversal
Published November 1, 2024
Last update April 28, 2026

CVSS base score

8.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Automattic Newspack Blocks allows Path Traversal.This issue affects Newspack Blocks: from n/a through 3.0.8.

Explanation of Vulnerability in Simple Terms

02Summary

Newspack Blocks versions up to 3.0.8 contain a path traversal vulnerability that allows authenticated users with low privileges to manipulate file paths and cause the site to become unavailable. The vulnerability affects the scope beyond the vulnerable component itself. No confidentiality impact occurs, but integrity and availability are compromised.

What an attacker can do

03Attacker Capabilities

Make the site unavailable or modify files by exploiting a path traversal flaw.

Potential impact on your site

04Site Impact

Site downtime or file modification by authenticated users with minimal permissions.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege authenticated account on the site.

Key dates

06Disclosure timeline

November 1, 2024 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE