CVE-2021-27520 Scanner
Detects 'Cross-Site Scripting (XSS)' vulnerability in FUDForum affects v. 3.1.0.
Short Info
Level
Medium
Single Scan
Single Scan
Can be used by
Asset Owner
Estimated Time
10 seconds
Time Interval
29 days
Scan only one
URL
Toolbox
-
FUDForum is a popular open-source forum software used by organizations to facilitate online discussions. It is used in forums, blogs, and Drupal websites for the communication of the community. The software allows users to create threads and posts, as well as respond to other users. Also, it provides an advanced search engine that allows users to find information quickly.
Recently, a serious security vulnerability has been discovered in FUDForum which has been labeled as CVE-2021-27520. This vulnerability allowed attackers to inject malicious code through the "author" parameter in index.php. Attackers used this vulnerability to execute cross-site scripting (XSS) attacks to exploit users visiting the compromised forums. The vulnerability was reported and FUDForum was patched to remediate the issue.
If this vulnerability is left unpatched or exploited, it can have severe consequences for organizations using FUDForum. An attacker can exploit this vulnerability to steal confidential data, such as usernames and passwords of forum users, among others. Attackers can also modify web pages of the forum to deceive the user into providing confidential information unknowingly. Furthermore, attackers can use this vulnerability to run malicious code on the user's machine, which can also grant unauthorized access to the host system.
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