Which versions of MediaCrush are affected by EUVD-2025-199947?

A HIGH severity vulnerability in MediaCrush 1.0.0/1.0.1 allows remote attackers to inject malicious code through HTTP headers, potentially enabling cross-site scripting (XSS) attacks against users.

How to fix or mitigate EUVD-2025-199947?

Within 24 hours: Identify all systems running MediaCrush 1.0.0/1.0.1 and assess exposure. Within 7 days: Implement WAF rules to block suspicious Host header values and monitor for exploitation attempts. Within 30 days: Upgrade to a patched version when available, or evaluate alternative media handling solutions if no patch timeline is provided by the vendor.

MediaCrush EUVD-2025-199947

Q: What is the CVSS score of EUVD-2025-199947?

EUVD-2025-199947 has a CVSS 4.0 base score of 6.9 (Medium). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.1%.

| CVE-2025-13803 MEDIUM

Improper Neutralization of HTTP Headers for Scripting Syntax (CWE-644)

2025-12-01 cna@vuldb.com

Information Disclosure

6.9

CVSS 4.0 · Vendor: vuldb

Severity by source

Vendor (vuldb) PRIMARY

6.9 MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from Vendor (vuldb) · only source for this CVE.

CVSS VectorVendor: vuldb

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Sep 03, 2026 - 03:22 NVD

HIGH MEDIUM

CVSS changed

Sep 03, 2026 - 03:22 NVD

7.3 (HIGH) 6.9 (MEDIUM)

EUVD ID Assigned

Mar 15, 2026 - 13:34 euvd

EUVD-2025-199947

Analysis Generated

Mar 15, 2026 - 13:34 vuln.today

CVE Published

Dec 01, 2025 - 03:15 nvd

HIGH 7.3

DescriptionCVE.org

A vulnerability was identified in MediaCrush 1.0.0/1.0.1. The affected element is an unknown function of the file /mediacrush/paths.py of the component Header Handler. Such manipulation of the argument Host leads to improper neutralization of http headers for scripting syntax. The attack can be launched remotely.