Yahoo! susceptible to Cross Site Request Forgery (XSRF) attacks
Many organizations offer Mobile and WAP enabled flavors of their web applications. These applications may appear to have restricted functionality, but a security vulnerability in these applications can allow malicious users to launch attacks whose implications may propagate to the main applications. For example, a persistent XSS issue that may be present in the mobile version is likely to show up in the full-fledged version of the application (Cross-Application-XSS).
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