Overview
In this post, we will delve into the details of a critical vulnerability, CVE-2025-52161, that has been identified in Scholl Communications AG Weblication CMS Core version v019.004.000.000. This vulnerability, an instance of cross-site scripting (XSS), can potentially compromise entire systems or lead to significant data leakage.
The severity of this vulnerability not only lies in its high CVSS score but also in the ubiquity of the affected product. Scholl’s Weblication CMS Core is utilized by numerous businesses around the globe, making it a prime target for potential attackers. Therefore, understanding this vulnerability and implementing necessary mitigation strategies as soon as possible is critical.
Vulnerability Summary
CVE ID: CVE-2025-52161
Severity: Critical (CVSS 9.8)
Attack Vector: Network
Privileges Required: None
User Interaction: Required
Impact: Potential system compromise or data leakage
Affected Products
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Product | Affected Versions
Scholl Communications AG Weblication CMS Core | v019.004.000.000
How the Exploit Works
The exploit leverages the XSS vulnerability present in the Weblication CMS Core. An attacker can inject malicious scripts into the web pages viewed by other users. When a victim visits the infected web page, the malicious script is executed in their browser. This could potentially allow an attacker to steal sensitive information, manipulate web content, or even gain control over the victim’s computer.
Conceptual Example Code
To conceptualize the vulnerability, consider an attacker who infiltrates the CMS by posting a comment or message containing a malicious script. The following is a simplified example of how the exploit might look. Note that this is a conceptual example, and actual exploits may vary significantly in complexity and method.
POST /comment HTTP/1.1
Host: target.example.com
Content-Type: application/json
{
"comment": "<script>malicious code here</script>"
}When a user views the page containing this comment, the malicious script is executed, potentially leading to the aforementioned impacts.
In conclusion, proactive action is needed to mitigate this critical vulnerability. The recommended mitigation approach is to apply the vendor patch as soon as it becomes available. Alternatively, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation.
