There is an open redirect in the PhastPress WordPress plugin before 1.111 that allows an attacker to malform a request to a page with the plugin and then redirect the victim to a malicious page. There is also a support comment from another user one year ago (https://wordpress.org/support/topic/phast-php-used-for-remote-fetch/) that says that the php involved in the request only go to whitelisted pages but it's possible to redirect the victim to any domain.
Arbitrary file upload in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not properly check the imported file, allowing PHP ones to be uploaded by administrator by using the 'text/csv' content-type in the request.
Directory traversal vulnerability in lastfm-proxy.php in the Last.fm Rotation (lastfm-rotation) plugin 1.0 for WordPress allows remote attackers to read arbitrary files via a .. (dot dot) in the snode parameter.
Directory traversal vulnerability in download-file.php in the Advanced Dewplayer plugin 1.2 for WordPress allows remote attackers to read arbitrary files via a .. (dot dot) in the dew_file parameter.
All of the above Aapna WordPress theme through 1.3, Anand WordPress theme through 1.2, Anfaust WordPress theme through 1.1, Arendelle WordPress theme before 1.1.13, Atlast Business WordPress theme through 1.5.8.5, Bazaar Lite WordPress theme before 1.8.6, Brain Power WordPress theme through 1.2, BunnyPressLite WordPress theme before 2.1, Cafe Bistro WordPress theme before 1.1.4, College WordPress theme before 1.5.1, Connections Reloaded WordPress theme through 3.1, Counterpoint WordPress theme through 1.8.1, Digitally WordPress theme through 1.0.8, Directory WordPress theme before 3.0.2, Drop
The User Registration, User Profile, Login & Membership – ProfilePress (Formerly WP User Avatar) WordPress plugin before 3.1.11's widget for tabbed login/register was not properly escaped and could be used in an XSS attack which could lead to wp-admin access. Further, the plugin in several places assigned $_POST as $_GET which meant that in some cases this could be replicated with just $_GET parameters and no need for $_POST values.
The eCommerce Product Catalog Plugin for WordPress plugin before 3.0.39 does not escape the ic-settings-search parameter before outputting it back in the page in an attribute, leading to a Reflected Cross-Site Scripting issue
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 W3 Total Cache WordPress plugin before 2.1.5 was affected by a reflected Cross-Site Scripting (XSS) issue within the "extension" parameter in the Extensions dashboard, when the 'Anonymously track usage to improve product quality' setting is enabled, as the parameter is output in a JavaScript context without proper escaping. This could allow an attacker, who can convince an authenticated admin into clicking a link, to run malicious JavaScript within the user's web browser, which could lead to full site compromise.
The Perfect Survey WordPress plugin before 1.5.2 does not validate and escape the question_id GET parameter before using it in a SQL statement in the get_question AJAX action, allowing unauthenticated users to perform SQL injection.
Directory traversal vulnerability in the mTheme-Unus theme before 2.3 for WordPress allows an attacker to read arbitrary files via a .. (dot dot) in the files parameter to css/css.php.
The SP Project & Document Manager WordPress plugin before 4.22 allows users to upload files, however, the plugin attempts to prevent php and other similar files that could be executed on the server from being uploaded by checking the file extension. It was discovered that php files could still be uploaded by changing the file extension's case, for example, from "php" to "pHP".
The Calendar Event Multi View WordPress plugin before 1.4.01 does not sanitise or escape the 'start' and 'end' GET parameters before outputting them in the page (via php/edit.php), leading to a reflected Cross-Site Scripting issue.
The Registrations for the Events Calendar WordPress plugin before 2.7.5 does not escape the v parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting
Cross-site scripting (XSS) vulnerability in files/installer.cleanup.php in the Duplicator plugin before 0.4.5 for WordPress allows remote attackers to inject arbitrary web script or HTML via the package parameter.
The bj-lazy-load plugin before 1.0 for WordPress has Remote File Inclusion.
ForgeRock OpenAM before 13.5.1 allows LDAP injection via the Webfinger protocol. For example, an unauthenticated attacker can perform character-by-character retrieval of password hashes, or retrieve a session token or a private key.
The Imagements WordPress plugin through 1.2.5 allows images to be uploaded in comments, however only checks for the Content-Type in the request to forbid dangerous files. This allows unauthenticated attackers to upload arbitrary files by using a valid image Content-Type along with a PHP filename and code, leading to RCE.
The Button Generator WordPress plugin before 2.3.3 within the wow-company admin menu page allows to include() arbitrary file with PHP extension (as well as with data:// or http:// protocols), thus leading to CSRF RCE.
The RVM WordPress plugin before 6.4.2 does not have proper authorisation, CSRF checks and validation of the rvm_upload_regions_file_path parameter in the rvm_import_regions AJAX action, allowing any authenticated user, such as subscriber, to read arbitrary files on the web server