Missing Authorization vulnerability in Cyberlord92 Broken Link Checker | Finder allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Broken Link Checker | Finder: from n/a through 2.4.2.

The Broken Link Checker WordPress plugin before 2.4.2 does not validate a the link URLs before making a request to them, which could allow admin users to perform SSRF attack, for example on a multisite installation.

The Broken Link Checker | Finder plugin for WordPress is vulnerable to Blind Server-Side Request Forgery in all versions up to, and including, 2.5.0 via the 'moblc_check_link' function. This makes it possible for authenticated attackers, with Author-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

The Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions in versions up to, and including 2.4.2. Any WordPress plugin or theme running a version of Freemius less than 2.4.3 is vulnerable.

The Broken Link Checker plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg in /app/admin-notices/features/class-view.php without appropriate escaping on the URL in all versions up to, and including, 2.4.0. This makes it possible for unauthenticated attackers 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.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPMU DEV Broken Link Checker allows Stored XSS.This issue affects Broken Link Checker: from n/a through 2.2.3.

Cross-Site Request Forgery (CSRF) vulnerability in Super Blog Me Broken Link Checker for YouTube allows Cross Site Request Forgery.This issue affects Broken Link Checker for YouTube: from n/a through 1.3.

Unauth. SQL Injection (SQLi) vulnerability in MainWP MainWP Broken Links Checker Extension plugin <= 4.0 versions.

A vulnerability was found in Broken Link Checker Plugin up to 1.10.1 on WordPress. It has been declared as problematic. Affected by this vulnerability is the function options_page of the file core/core.php of the component Settings Page. The manipulation of the argument exclusion_list/blc_custom_fields leads to cross site scripting. The attack can be launched remotely. Upgrading to version 1.10.2 is able to address this issue. The patch is named 90615fe9b0b6f9e6fb254d503c302e53a202e561. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-230659.

A vulnerability was found in Broken Link Checker Plugin up to 1.10.5 on WordPress. It has been rated as problematic. Affected by this issue is the function print_module_list/show_warnings_section_notice/status_text/ui_get_action_links. The manipulation leads to cross site scripting. The attack may be launched remotely. Upgrading to version 1.10.6 is able to address this issue. The name of the patch is f30638869e281461b87548e40b517738b4350e47. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-225152.