Low privileged users can use the AJAX action 'cp_plugins_do_button_job_later_callback' in the Tree Sitemap WordPress plugin before 2.9, to install any plugin (including a specific version) from the WordPress repository, as well as activate arbitrary plugin from then blog, which helps attackers install vulnerable plugins and could lead to more critical vulnerabilities like RCE.

The Mobile Events Manager WordPress plugin before 1.4.4 does not sanitise and escape various of its settings, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

The LearnPress WordPress plugin before 4.1.4 does not sanitise, validate and escape the id parameter before using it in SQL statements when duplicating course/lesson/quiz/question, leading to SQL Injections issues

The WordPress File Upload Free and Pro WordPress plugins before 4.16.3 allow users with a role as low as Contributor to perform path traversal via a shortcode argument, which can then be used to upload a PHP code disguised as an image inside the auto-loaded directory of the plugin, resulting in arbitrary code execution.

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 Cool Tag Cloud WordPress plugin before 2.26 does not escape the style attribute of the cool_tag_cloud shortcode, which could allow users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks.

The WP YouTube Lyte WordPress plugin before 1.7.16 did not sanitise or escape its lyte_yt_api_key and lyte_notification settings before outputting them back in the page, allowing high privilege users to set XSS payload on them and leading to stored Cross-Site Scripting issues.

The Grid Gallery – Photo Image Grid Gallery WordPress plugin before 1.2.5 does not properly sanitize the title field for image galleries when adding them via the admin dashboard, resulting in an authenticated Stored Cross-Site Scripting vulnerability.

The PlanSo Forms WordPress plugin through 2.6.3 does not escape the title of its Form before outputting it in attributes, allowing high privilege users such as admin to set XSS payload in it, even when the unfiltered_html is disallowed, leading to an Authenticated Stored Cross-Site Scripting issue.

The Simple Download Monitor WordPress plugin before 3.9.6 saves logs in a predictable location, and does not have any authentication or authorisation in place to prevent unauthenticated users to download and read the logs containing Sensitive Information such as IP Addresses and Usernames

The WP Video Lightbox WordPress plugin before 1.9.3 does not escape the attributes of its shortcodes, allowing users with a role as low as contributor to perform Cross-Site Scripting attacks

The dsgvoaio_write_log AJAX action of the DSGVO All in one for WP WordPress plugin before 4.0 did not sanitise or escape some POST parameter submitted before outputting them in the Log page in the administrator dashboard (wp-admin/admin.php?page=dsgvoaiofree-show-log). This could allow unauthenticated attackers to gain unauthorised access by using an XSS payload to create a rogue administrator account, which will be trigged when an administrator will view the logs.

The Form Maker by 10Web – Mobile-Friendly Drag & Drop Contact Form Builder WordPress plugin before 1.13.60 does not escape its Form Title before outputting it in an attribute when editing a form in the admin dashboard, leading to an authenticated Stored Cross-Site Scripting issue

The WCFM – Frontend Manager for WooCommerce along with Bookings Subscription Listings Compatible WordPress plugin before 6.5.12, when used in combination with another WCFM - WooCommerce Multivendor plugin such as WCFM - WooCommerce Multivendor Marketplace, does not escape the withdrawal_vendor parameter before using it in a SQL statement, allowing low privilege users such as Subscribers to perform SQL injection attacks

The Landing Page Builder WordPress plugin before 1.4.9.6 was affected by a reflected XSS in page-builder-add on the ulpb_post admin page.

The Elements Kit Lite and Elements Kit Pro WordPress Plugins before 2.2.0 have a number of widgets that are vulnerable to stored Cross-Site Scripting (XSS) by lower-privileged users such as contributors, all via a similar method.

The Contact Form & Lead Form Elementor Builder WordPress plugin before 1.6.4 does not sanitise and escape some lead values, which could allow unauthenticated users to perform Cross-Site Scripting attacks against logged in admin viewing the inserted Leads

The PDF Flipbook, 3D Flipbook WordPress – DearFlip WordPress plugin before 1.7.10 does not escape the class attribute of its shortcode before outputting it back in an attribute, which could allow users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks

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 to a different location via path traversal using the "wcuf_current_upload_session_id" parameter.

The WP Login Security and History WordPress plugin through 1.0 did not have CSRF check when saving its settings, not any sanitisation or validation on them. This could allow attackers to make logged in administrators change the plugin's settings to arbitrary values, and set XSS payloads on them as well