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medium·Product Based Web Vulnerabilities·Updated Mar 4, 2024

CVE-2021-40970 Scanner

CVE-2021-40970 scanner - Cross-Site Scripting vulnerability in Spotweb

Est. Time~10 seconds
Scan TypeSingle Scan
Targetsdomain, ipv4, subdomain
CostFree
2.6k
Times Used
continuous scan runs
5.3k
Continuously Checked
assets under CS
0
Vulnerabilities Found
confirmed findings
References
CVECVE-2021-40970
6.1
CVSS

Cross-site scripting (XSS) vulnerability in templates/installer/step-004.inc.php in spotweb 1.5.1 and below allow remote attackers to inject arbitrary web script or HTML via the username parameter.

Attack Vector
-
Privileges Req.
-
User Interaction
-
Affected
n/aby n/a
n/a
Updated Aug 21, 2026View on NVD →
Detail

Spotweb is an open-source web-based newsreader and aggregator for Usenet, providing users with the capability to create their own 'Spotnet'. It acts as a decentralized platform for sharing and accessing a wide variety of content, ranging from multimedia to discussions. Spotweb is widely utilized within communities for its extensive features, including a sophisticated search mechanism, easy content sharing, and support for various media types. The application is designed for both personal and community use, facilitating a collaborative and enriched user experience in content discovery on Usenet.

The XSS vulnerability is present in the templates/installer/step-004.inc.php file of Spotweb. By crafting a malicious URL that includes a specially formatted 'username' parameter, an attacker can inject and execute JavaScript code in a victim's browser. This issue exposes users to a range of attacks, including phishing, data theft, and unauthorized actions on behalf of the user, underscoring the critical need for input validation and output encoding practices in web applications.

Exploiting the XSS vulnerability in Spotweb could lead to unauthorized actions being executed on behalf of users, theft of session tokens, manipulation of web page content, and exposure of sensitive information. The impact of this vulnerability depends on the attacker's intent and the context in which the software is used, potentially compromising user privacy and security.

By leveraging the security scanning capabilities on the S4E platform, users can identify vulnerabilities like CVE-2021-40970 in Spotweb and other applications. Our platform provides an essential service for detecting and addressing security weaknesses before they can be exploited. Subscribing to our service enables users to enhance their cybersecurity posture, protect their digital assets, and maintain trust with their user base.

 

References

Solution Advice
  1. Upgrade Spotweb to version 1.5.2 or higher, where the XSS vulnerability has been fixed.
  2. Employ rigorous input validation and output encoding mechanisms to prevent similar vulnerabilities.
  3. Regularly audit and test web applications for security vulnerabilities to ensure comprehensive protection.
  4. Educate developers and administrators on secure coding practices and the importance of security in the software development lifecycle.

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CVE-2021-40970 scanner - Cross-Site Scripting vulnerability in Spotweb | S4E