Oscar receives an email from an unknown source containing his domain name oscar.com. Upon checking the link, he found that it contains a malicious URL that redirects to the website evilsite.org. What type of vulnerability is this?
The scenario described, where Oscar receives an email with a link that contains a malicious URL redirecting to evilsite.org, exemplifies a vulnerability related to unvalidated redirects and forwards. This type of vulnerability occurs when a web application accepts untrusted input that could cause the web application to redirect the request to a URL contained within untrusted input. Attackers can exploit this vulnerability by crafting a malicious URL that leads unsuspecting users to phishing sites or other malicious websites, under the guise of a legitimate domain. This is distinct from malware, which refers to malicious software; SQL injection, which involves inserting malicious SQL queries through input fields to manipulate or exploit databases; and is not a term related to cybersecurity vulnerabilities.References:The Incident Handler (ECIH v3) certification materials often cover web application vulnerabilities, including unvalidated redirects and forwards, emphasizing the need for proper validation and sanitization of user input to prevent such exploits.
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