CWE-352

The WP RSS Aggregator WordPress plugin before 4.19.3 does not sanitise and escape data before outputting it in the System Info admin dashboard, which could lead to a Stored XSS issue due to the wprss_dismiss_addon_notice AJAX action missing authorisation and CSRF checks, allowing any authenticated users, such as subscriber to call it and set a malicious payload in the addon parameter.

The Accept Donations with PayPal WordPress plugin before 1.3.4 does not have CSRF check in place and does not ensure that the post to be deleted belongs to the plugin, allowing attackers to make a logged in admin delete arbitrary posts from the blog

The Ultimate Product Catalog WordPress plugin before 5.0.26 does not have authorisation and CSRF checks in some AJAX actions, which could allow any authenticated users, such as subscriber to call them and add arbitrary products, or change the plugin’s settings for example

The Logo Showcase with Slick Slider WordPress plugin before 2.0.1 does not have CSRF check in the lswss_save_attachment_data AJAX action, allowing attackers to make a logged in high privilege user, change title, description, alt text, and URL of arbitrary uploaded media.

The Tawk.To Live Chat WordPress plugin before 0.6.0 does not have capability and CSRF checks in the tawkto_setwidget and tawkto_removewidget AJAX actions, available to any authenticated user. The first one allows low-privileged users (including simple subscribers) to change the ‘tawkto-embed-widget-page-id’ and ‘tawkto-embed-widget-widget-id’ parameters. Any authenticated user can thus link the vulnerable website to their own Tawk.to instance. Consequently, they will be able to monitor the vulnerable website and interact with its visitors (receive contact messages, answer, …). They will also be able to display an arbitrary Knowledge Base. The second one will remove the live chat widget from pages.

The Pixel Cat WordPress plugin before 2.6.2 does not have CSRF check when saving its settings, and did not sanitise as well as escape some of them, which could allow attacker to make a logged in admin change them and perform Cross-Site Scripting attacks