Overview
In the world of cybersecurity, the discovery of vulnerabilities is a common occurrence. One such vulnerability that has come to light recently is CVE-2025-48915. This vulnerability affects Drupal’s COOKiES Consent Management module and can lead to potential system compromise or data leakage. Given the ubiquitous use of Drupal as a content management system, the vulnerability is of significant concern to a broad spectrum of web entities, including businesses, non-profits, and government organizations. Understanding the nature of this vulnerability and how it can be mitigated is crucial to maintaining robust cybersecurity defenses.
Vulnerability Summary
CVE ID: CVE-2025-48915
Severity: High (8.6 CVSS Score)
Attack Vector: Network
Privileges Required: None
User Interaction: Required
Impact: System compromise or data leakage
Affected Products
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Product | Affected Versions
Drupal COOKiES Consent Management | 0.0.0 to 1.2.14
How the Exploit Works
This vulnerability stems from an improper neutralization of input during web page generation, commonly known as ‘Cross-site Scripting’ or XSS. In this case, the Drupal COOKiES Consent Management module is not correctly sanitizing user input. This allows an attacker to inject malicious scripts into a web page, which can then be executed in the context of the user’s browser session. This can lead to a range of nefarious outcomes, including unauthorized access to sensitive data, hijacking of the user’s session, or redirecting the user to malicious websites.
Conceptual Example Code
Here is a conceptual example of how an attacker might exploit this vulnerability. This would involve sending a specially crafted HTTP POST request to a vulnerable endpoint:
POST /cookie-consent HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "cookie-consent": "<script>malicious_code_here</script>" }In this example, the attacker includes a malicious script in the ‘cookie-consent’ field. If the application does not properly sanitize this input, the script will be rendered and executed when the web page is viewed by a user.
Mitigation Guidance
To mitigate this vulnerability, users are advised to apply the vendor-supplied patch. This means upgrading to a version of Drupal COOKiES Consent Management that is 1.2.15 or later. For those who cannot immediately apply the patch, a web application firewall (WAF) or intrusion detection system (IDS) can be used as a temporary mitigation method. These systems can be configured to detect and block attempts to exploit this vulnerability. However, these are only temporary solutions and applying the vendor patch should be the ultimate goal.