Vulnerability CVE-2024-1775


Published: 2024-03-02

Description:
The Nextend Social Login and Register plugin for WordPress is vulnerable to a self-based Reflected Cross-Site Scripting via the ??error_description?? parameter in all versions up to, and including, 3.1.12 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers, with access to a subscriber-level account, to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. NOTE: This vulnerability can be successfully exploited on a vulnerable WordPress instance against an OAuth pre-authenticated higher-level user (e.g., administrator) by leveraging a cross-site request forgery in conjunction with a certain social engineering technique to achieve a critical impact scenario (cross-site scripting to administrator-level account creation). However, successful exploitation requires "Debug mode" to be enabled in the plugin's "Global Settings".

 References:
https://www.wordfence.com/threat-intel/vulnerabilities/id/3bad1d0d-3817-4c7f-a012-5a85b577781e?source=cve
https://plugins.trac.wordpress.org/changeset/3042326/nextend-facebook-connect

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