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Browsers tormented by open roll vulnerability

Blog post from Snyk

Post Details
Company
Date Published
Author
Kyle Suero and Aviad Hahami
Word Count
765
Company Posts That Month
28
Language
English
Hacker News Points
-
Post removed?
No
Summary

Open redirect vulnerabilities occur when an application accepts an unvalidated URL parameter and redirects users from a trusted-looking domain to an attacker-controlled site, making phishing and credential theft more convincing. Although often considered low severity in isolation, they can damage customer trust and be chained with vulnerabilities such as cross-site scripting or server-side request forgery to expose cookies, local storage, internal services, or other sensitive resources. A reported Twitter issue in 2018 demonstrated how an open redirect combined with XSS could compromise victim domain data. Preventive measures include validating user-controlled input, requiring strong authentication where appropriate, and using destination allowlists to ensure redirects lead only to approved URLs.

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