Quantserve SegAPI Content-Security-Policy Bypass Scanner
This scanner detects the use of Quantserve SegAPI in digital assets. It is designed to identify the presence of a content-security-policy bypass vulnerability. Ensuring that such vulnerabilities are detected can help secure web applications against potential Cross-Site Scripting attacks.
Short Info
Level
Single Scan
Single Scan
Can be used by
Asset Owner
Estimated Time
10 seconds
Time Interval
26 days 9 hours
Scan only one
URL
Toolbox
Quantserve SegAPI is commonly utilized by digital marketing platforms and website analytics services to track user interactions and segment audience data. This software is typically embedded within the website code through scripts. It is leveraged by web developers to gather user metrics across various digital assets. The information it gathers assists businesses in targeting advertisements more effectively. Due to its extensive reach and integration on major websites, ensuring its secure configuration is vital. The main users include analytics teams, ad networks, and marketing strategists.
The vulnerability detected within the Quantserve SegAPI pertains to a content-security-policy (CSP) bypass that can lead to Cross-Site Scripting (XSS). CSP is a security feature that helps prevent various attacks, including XSS. When CSP can be bypassed, it opens the doorway for potential injection of malicious scripts. Such vulnerabilities are critical as they allow attackers to execute scripts in the context of a victim’s browser. Detecting and fixing such vulnerabilities prevent attackers from stealing sensitive information or redirecting users to malicious pages. It's crucial for web developers and security professionals to assess this vulnerability promptly.
Technically, the vulnerability exploits the CSP implemented on websites that use the Quantserve SegAPI service. It focuses on the execution of scripts located at specific boundaries, particularly from URLs under the segapi.quantserve.com domain. The exploit is carried out by sending GET requests embedded with a specific payload designed to override the current CSP directives. This involves appending scripts that call back functions, such as alerts in JavaScript, demonstrating potential vulnerabilities. If the exploit is successful, it indicates the absence of strict CSP protocols.
If successfully exploited, this vulnerability can lead to several detrimental effects on a website. Users may be exposed to phishing attacks as malicious scripts could masquerade as legitimate site features. Attackers may execute arbitrary JavaScript-based commands leading to data theft or manipulation. Unauthorized data access within a user's session could result, significantly affecting confidentiality. Additionally, it could damage a business's reputation as users may lose trust in the website's security. To protect user data and maintain brand integrity, swift action to patch this vulnerability is essential.
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