CVE-2024-37424CWE-434

WordPress Newspack Blocks plugin <= 3.0.8 - Arbitrary File Upload vulnerability

Critical · published July 9, 2024

CVSS v3.1
9.9
EPSS
1%
Percentile
46.2
In the wild
Unconfirmed
What it is

🚨 An unrestricted file upload flaw lets attackers drop a web shell directly onto your server! 🔥 Think of it like letting a stranger into a party who sneaks in their own drinks — once they're inside, they can mix whatever concoction they want without anyone checking what’s in those bottles. An attacker could exploit this vulnerability to gain full control over your server, potentially launching devastating attacks, stealing sensitive data, or defacing your site. With a CVSS score of 9.9, this is a critical alert that demands immediate attention!

Put simply

Think of it like letting a stranger into a party who sneaks in their own drinks — once they're inside, they can mix whatever concoction they want without anyone checking what’s in those bottles. This vulnerability in Automattic Newspack Blocks allows an attacker to upload files of dangerous types, enabling them to execute arbitrary code and establish a web shell on the server, bypassing normal security checks.

What to do

An attacker could exploit this vulnerability to gain full control over your server, potentially launching devastating attacks, stealing sensitive data, or defacing your site. With a CVSS score of 9.9, this is a critical alert that demands immediate attention! Update Newspack Blocks to version 3.0.9 or later immediately to patch this vulnerability. Additionally, implement strict file type checks and user authentication to prevent unauthorized uploads. Conduct regular security audits to stay ahead of potential threats! You've got this! Time to shore up defenses and secure your site! 🛡️

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00566 · 46.2th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2024-07-09T10:21Z
EPSS history
Timeline
  • 09 JUL 10:21Z
    WordPress Newspack Blocks plugin <= 3.0.8 - Arbitrary File Upload vulnerability
    cvelistv5