Daily Archives: April 5, 2021


In the Ninja Forms Contact Form WordPress plugin before, low-level users, such as subscribers, were able to trigger the action, wp_ajax_nf_oauth, and retrieve the connection url needed to establish a connection. They could also retrieve the client_id for an already established OAuth connection.


In the Reponsive Menu (free and Pro) WordPress plugins before 4.0.4, attackers could craft a request and trick an administrator into importing all new settings. These settings could be modified to include malicious JavaScript, therefore allowing an attacker to inject payloads that could aid in further infection of the site.


In the Reponsive Menu (free and Pro) WordPress plugins before 4.0.4, attackers could craft a request and trick an administrator into uploading a zip archive containing malicious PHP files. The attacker could then access those files to achieve remote code execution and further infect the targeted site.


The wp_ajax_nf_oauth_disconnect from the Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress WordPress plugin before 3.4.34 had no nonce protection making it possible for attackers to craft a request to disconnect a site’s OAuth connection.


Due to the lack of sanitization and lack of nonce protection on the custom CSS feature, an attacker could craft a request to inject malicious JavaScript on a site using the Contact Form 7 Style WordPress plugin through 3.1.9. If an attacker successfully tricked a site’s administrator into clicking a link or attachment, then the request could be sent and…


The REST API endpoint get_users in the User Profile Picture WordPress plugin before 2.5.0 returned more information than was required for its functionality to users with the upload_files capability. This included password hashes, hashed user activation keys, usernames, emails, and other less sensitive information.


The WooCommerce Upload Files WordPress plugin before 59.4 ran a single sanitization pass to remove blocked extensions such as .php. It was possible to bypass this and upload a file with a PHP extension by embedding a “blocked” extension within another “blocked” extension in the “wcuf_file_name” parameter. It was also possible to perform a double extension attack and upload files…


The Easy Contact Form Pro WordPress plugin before did not properly sanitise the text fields (such as Email Subject, Email Recipient, etc) when creating or editing a form, leading to an authenticated (author ) stored cross-site scripting issue. This could allow medium privilege accounts (such as author and editor) to perform XSS attacks against high privilege ones like administrator.