The Build App Online plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 1.0.21. This is due to missing authentication checking in the 'set_user_cart' function with the 'user_id' header value. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to the user id.

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Blog from Steve S. I'm Steve S., I have a Bachelor's degree in Cyber Operations and am currently enrolled in Georgia Tech's OMS in Cybersecurity - Information Security Track graduate program. I have a passion for offensive security topics and continue to sharpen my skills through courses, CTFs, and personal research.

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