CVE-2025-11521CWE-285

CVE-2025-11521

High · published November 11, 2025

CVSS v3.1
8.1
EPSS
1%
Percentile
43.1
In the wild
Unconfirmed
What it is

⚡ The Astra Security Suite has a sneaky flaw that lets attackers upload any file they want—no authentication required! 🔥 Think of it like a restaurant where the delivery driver doesn’t check what’s in the boxes—just accepting any package without opening it. This lack of validation opens the door for some potentially harmful ingredients to slip right into your kitchen! An attacker could exploit this vulnerability to upload malicious files to your server, which may lead to remote code execution. This means they could take control of your website, access sensitive data, or even launch attacks on your users—absolutely devastating!

Put simply

Think of it like a restaurant where the delivery driver doesn’t check what’s in the boxes—just accepting any package without opening it. This lack of validation opens the door for some potentially harmful ingredients to slip right into your kitchen! The vulnerability arises from insufficient validation of remote URLs for zip downloads, combined with an easily guessable key in all versions up to and including 0.2. This allows unauthenticated attackers to upload arbitrary files to the site, potentially leading to code execution.

What to do

An attacker could exploit this vulnerability to upload malicious files to your server, which may lead to remote code execution. This means they could take control of your website, access sensitive data, or even launch attacks on your users—absolutely devastating! To protect your website, update the Astra Security Suite plugin to version 0.2.1 or later immediately. Also, consider implementing additional security measures like stricter file type validation and monitoring for unusual uploads. You've got this! Taking these steps will help you lock down your site and keep it safe. 🛡️

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00517 · 43.1th percentile
Weakness
CWE-285 · Improper Authorization
Published
2025-11-11T09:15Z
References (2)
EPSS history
Timeline
  • 11 NOV 03:30Z
    Astra Security Suite – Firewall & Malware Scan <= 0.2 - Unauthenticated Arbitrary File Upload
    cvelistv5