CVE-2023-4634CWE-73

Media Library Assistant <= 3.09 - Unauthenticated Local/Remote File Inclusion & Remote Code Execution

Critical · published September 6, 2023

Patch now

High probability of exploitation

CVSS calls it critical at 9.8. It sits in the 99.7th percentile for exploit probability.

CVSS v3.1
9.8
EPSS
86%
Percentile
99.7
In the wild
Unconfirmed
What it is

🚨 An unauthenticated user can leverage this vulnerability to execute code remotely! The Media Library Assistant plugin for WordPress has a critical flaw that opens the door to chaos. 🔥 Think of it like a restaurant where anyone can sneak into the kitchen and swap out the daily special with whatever they want — a recipe nobody checked! This flaw lets attackers feed their own files to the system, potentially leading to a complete takeover. If exploited, an attacker could run malicious code on your server, leading to data theft, defacement, or even total control of your site. This could be absolutely devastating for your users and your reputation, as an attacker could access sensitive information or disrupt services entirely.

Put simply

Think of it like a restaurant where anyone can sneak into the kitchen and swap out the daily special with whatever they want — a recipe nobody checked! This flaw lets attackers feed their own files to the system, potentially leading to a complete takeover. The vulnerability in the Media Library Assistant plugin stems from insufficient validation of file paths in the 'mla_stream_file' parameter, allowing for Local File Inclusion and Remote Code Execution through crafted inputs.

What to do

If exploited, an attacker could run malicious code on your server, leading to data theft, defacement, or even total control of your site. This could be absolutely devastating for your users and your reputation, as an attacker could access sensitive information or disrupt services entirely. To mitigate this risk, update the Media Library Assistant plugin to version 3.10 or later immediately. Additionally, review your file upload permissions and consider implementing stricter controls on file handling. Don't forget to check your site for any signs of unauthorized access. You've got this! Implement these fixes, and you'll bolster your site's defenses in no time. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.85595 · 99.7th percentile
Weakness
CWE-73 · External Control of File Name or Path
Published
2023-09-06T08:27Z
EPSS history
Timeline
  • 06 SEP 08:27Z
    Media Library Assistant <= 3.09 - Unauthenticated Local/Remote File Inclusion & Remote Code Execution
    cvelistv5