Vulnerabilities and security researches fornextend-facebook-connect nextend-facebook-connect

Jun 07, 2024

CVE, Research URL: CVE-2014-8800
Home page URL: Security reports for Nextend Social Login and Register
Application: Nextend Social Login and Register
Date: Dec 05, 2014
Research Description: Cross-site scripting (XSS) vulnerability in nextend-facebook-settings.php in the Nextend Facebook Connect plugin before 1.5.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via the fb_login_button parameter in a newfb_update_options action.
Affected versions: max 1.5.1.
Status: vulnerable

CVE, Research URL: CVE-2015-4413
Home page URL: Security reports for Nextend Social Login and Register
Application: Nextend Social Login and Register
Date: Jun 24, 2015
Research Description: Cross-site scripting (XSS) vulnerability in the new_fb_sign_button function in nextend-facebook-connect.php in Nextend Facebook Connect plugin before 1.5.6 for WordPress allows remote attackers to inject arbitrary web script or HTML via the redirect_to parameter.
Affected versions: max 1.5.6.
Status: vulnerable

CVE, Research URL: CVE-2024-1775
Home page URL: Security reports for Nextend Social Login and Register
Application: Nextend Social Login and Register
Date: Mar 02, 2024
Research 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".
Affected versions: max 3.1.13.
Status: vulnerable

Oct 11, 2025

CVE, Research URL: CVE-2025-58031
Home page URL: Security reports for Nextend Social Login and Register
Application: Nextend Social Login and Register
Date: Sep 23, 2025
Research Description: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Nextendweb Nextend Facebook Connect nextend-facebook-connect allows Stored XSS.This issue affects Nextend Facebook Connect : from n/a through <= 3.1.19.
Affected versions: max 3.1.20.
Status: vulnerable

Dec 10, 2025

CVE, Research URL: CVE-2025-13737
Home page URL: Security reports for Nextend Social Login and Register
Application: Nextend Social Login and Register
Date: Nov 28, 2025
Research Description: The Nextend Social Login and Register plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.1.21. This is due to missing or incorrect nonce validation on the 'unlinkUser' function. This makes it possible for unauthenticated attackers to unlink the user's social login via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Affected versions: max 3.1.22.
Status: vulnerable

Jun 16, 2026

CVE, Research URL: 9d33cb45c6b99122e0c0e635939fd5605cfcfc48
Home page URL: Security reports for Nextend Social Login and Register
Application: Nextend Social Login and Register
Date: Mar 15, 2016
Research Description: Nextend Social Login and Register [nextend-facebook-connect] < 1.5.9 Nextend Facebook Connect <= 1.5.8 - Cross-Site Request Forgery The Nextend Facebook Connect plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.5.8. This is due to missing nonce validation on the store_settings() function. This makes it possible for unauthenticated attackers to update the plugins settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Affected versions: max 1.5.9.
Status: vulnerable

CVE, Research URL: 281fe3cc-7079-403e-83d6-8b7e8811edbc
Home page URL: Security reports for Nextend Social Login and Register
Application: Nextend Social Login and Register
Date: -
Research Description: Nextend Social Login and Register [nextend-facebook-connect] < 1.5.8 Nextend Facebook Connect <= 1.5.7 - Cross-Site Request Forgery (CSRF) The Nextend Social Login and Register WordPress plugin was affected by a Cross-Site Request Forgery (CSRF) security vulnerability.
Affected versions: max 1.5.8.
Status: vulnerable