
OAuth Redirection Abuse Enables Phishing and Malware Delivery - Microsoft
Why This Matters Now: In October 2023, Microsoft disclosed a significant security vulnerability related to OAuth redirection abuse. This flaw allowed attackers to craft malicious URLs that could redirect users to phishing sites, leading to credential theft and potential malware delivery. If you鈥檙e using OAuth in your applications, understanding and mitigating this risk is crucial. 馃毃 Breaking: Microsoft reports OAuth redirection abuse vulnerabilities affecting numerous applications. Validate your OAuth configurations immediately. 100+Affected Applications 30+Days to Mitigate Understanding OAuth Redirection Abuse OAuth redirection abuse occurs when attackers exploit the OAuth authorization flow to redirect users to malicious websites. This redirection can happen due to improper validation of the redirect_uri parameter, which specifies where the authorization server should send the user after they grant permission. ...




