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

CVE-2021-43725 Scanner

CVE-2021-43725 scanner - Cross-Site Scripting (XSS) vulnerability in Spotweb

Est. Time~10 seconds
Scan TypeSingle Scan
Targetsdomain, ipv4, subdomain
CostFree
2.3k
Times Used
continuous scan runs
5.5k
Continuously Checked
assets under CS
0
Vulnerabilities Found
confirmed findings
References
CVECVE-2021-43725
6.1
CVSS

There is a Cross Site Scripting (XSS) vulnerability in SpotPage_login.php of Spotweb 1.5.1 and below, which allows remote attackers to inject arbitrary web script or HTML via the data[performredirect] parameter.

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

Spotweb is a decentralized usenet indexing application that allows users to browse through categorized usenet posts. It is widely used by individuals and organizations for accessing a vast array of content ranging from multimedia to software and discussions. Spotweb is known for its ease of setup and use, making it a popular choice among usenet users. It runs on a web server and can be accessed through any standard web browser. The platform serves as a self-hosted web-based client, enabling users to search for and download usenet posts.

The vulnerability is present in the SpotPage_login.php file of Spotweb versions 1.5.1 and below. Attackers can exploit this vulnerability by crafting malicious URLs containing JavaScript code in the data[performredirect] parameter. When a user visits this malicious URL, the injected script executes within their browser context. This script execution can lead to unauthorized actions being performed on behalf of the user, data theft, and potential compromise of the user's session.

If exploited, this XSS vulnerability can lead to several adverse effects including session hijacking, where attackers gain control over a user's session; theft of sensitive information like cookies and personal data; and delivering malware to the victim's system. It compromises the integrity and confidentiality of user data and can severely undermine the security of the affected web application.

By joining the S4E platform, users gain access to comprehensive cybersecurity checks that identify vulnerabilities like the Cross-Site Scripting flaw in Spotweb. Our platform utilizes advanced scanning technologies to uncover and report potential security threats, offering detailed insights and remediation guidance. Members benefit from continuous monitoring and alerts, ensuring their digital assets remain secure against evolving cyber threats. Enhance your cybersecurity posture with tailored solutions that safeguard your information.

 

References

Solution Advice
  1. Upgrade to Spotweb version 1.5.2 or later, where this vulnerability has been fixed.
  2. Implement input validation and sanitization techniques to prevent XSS attacks.
  3. Employ Content Security Policy (CSP) headers to reduce the risk of XSS.
  4. Regularly review and update web applications to address known security vulnerabilities.
  5. Conduct security awareness training for users on the dangers of following untrusted links.

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CVE-2021-43725 scanner - Cross-Site Scripting (XSS) vulnerability in Spotweb | S4E