CVE-2025-13803CWE-644

CVE-2025-13803

High · published December 1, 2025

CVSS v3.1
7.3
EPSS
0%
Percentile
27.2
In the wild
Unconfirmed
What it is

⚠️ A crafty manipulation of the Host argument in MediaCrush could open the door to improper HTTP header handling! 🚪💥 Think of it like a restaurant that doesn't verify the name on a reservation, allowing a clever diner to hijack the table meant for someone else — that could lead to a mix-up in orders or worse! 🍽️ An attacker could exploit this vulnerability to inject malicious scripts, potentially affecting the integrity of your web application. While it’s not a catastrophic breach, it could lead to unexpected behavior or even data compromise for users interacting with the system.

Put simply

Think of it like a restaurant that doesn't verify the name on a reservation, allowing a clever diner to hijack the table meant for someone else — that could lead to a mix-up in orders or worse! 🍽️ This vulnerability allows for improper neutralization of HTTP headers due to manipulation of the Host argument in the Header Handler component of MediaCrush. This could enable attackers to inject harmful scripts remotely.

What to do

An attacker could exploit this vulnerability to inject malicious scripts, potentially affecting the integrity of your web application. While it’s not a catastrophic breach, it could lead to unexpected behavior or even data compromise for users interacting with the system. To protect your application, patch MediaCrush to version 1.0.2 or later. Additionally, review your handling of HTTP headers to ensure robust sanitization against potential injections. You've got this! By taking these steps, you're on the path to fortifying your web application. 🛡️

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00349 · 27.2th percentile
Weakness
CWE-644 · Improper Neutralization of HTTP Headers for Scripting Syntax
Published
2025-12-01T08:15Z
References (4)
EPSS history
Timeline
  • 01 DEC 02:32Z
    MediaCrush Header paths.py http headers for scripting syntax
    cvelistv5