CVE-2021-30149

Composr 10.0.36 allows upload and execution of PHP files

published April 6, 2021

CVSS
—
EPSS
10%
Percentile
95.6
In the wild
Unconfirmed
What it is

🚨 A sneaky gap in Composr 10.0.36 lets anyone upload and execute PHP files like it’s a benign file-sharing party! 📁🎉 Think of it like a restaurant that allows customers to send in their own recipes without a chef's approval—the kitchen could end up preparing something disastrous! If a malicious file is uploaded, it could wreak havoc on the server. An attacker could exploit this vulnerability to execute arbitrary PHP code on the server, which could lead to unauthorized access, data theft, or even complete server takeover. Imagine someone walking into your home and casually changing the locks; that's the kind of risk this poses!

Put simply

Think of it like a restaurant that allows customers to send in their own recipes without a chef's approval—the kitchen could end up preparing something disastrous! If a malicious file is uploaded, it could wreak havoc on the server. This vulnerability allows unauthenticated users to upload PHP files directly to the server, which are then executed without proper validation. This can lead to unauthorized access and arbitrary code execution.

What to do

An attacker could exploit this vulnerability to execute arbitrary PHP code on the server, which could lead to unauthorized access, data theft, or even complete server takeover. Imagine someone walking into your home and casually changing the locks; that's the kind of risk this poses! To protect your system, patch Composr to version 10.0.37 or later to close this vulnerability. Make sure to implement strict file upload restrictions and validate file types to prevent malicious uploads. You've got this! By following these steps, you're on your way to safeguarding your server! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.10064 · 95.6th percentile
Published
2021-04-06T05:40Z
EPSS history
Timeline
  • 06 APR 05:40Z
    Composr 10.0.36 allows upload and execution of PHP files
    cvelistv5