The Announcement & Notification Banner – Bulletin plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg and remove_query_arg without appropriate escaping on the URL in all versions up to, and including, 3.11.7. 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.

Missing Authentication for Critical Function vulnerability in Saul Morales Pacheco Banner System allows Privilege Escalation.This issue affects Banner System: from n/a through 1.0.0.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Saul Morales Pacheco Banner System allows Stored XSS.This issue affects Banner System: from n/a through 1.0.0.

Unrestricted Upload of File with Dangerous Type vulnerability in Bikram Joshi B-Banner Slider allows Upload a Web Shell to a Web Server.This issue affects B-Banner Slider: from n/a through 1.1.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Manzurul Haque Banner Slider allows Reflected XSS.This issue affects Banner Slider: from n/a through 2.1.

Cross-Site Request Forgery (CSRF) vulnerability in Apa Apa Banner Slider allows SQL Injection.This issue affects Apa Banner Slider: from n/a through 1.0.0.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Partnerships at Booking.Com Booking.Com Banner Creator allows Stored XSS.This issue affects Booking.Com Banner Creator: from n/a through 1.4.6.

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 Custom Banners plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 3.3. 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.

The AdRotate Banner Manager – The only ad manager you'll need plugin for WordPress is vulnerable to arbitrary file uploads due to missing file extension sanitization in the adrotate_insert_media() function in all versions up to, and including, 5.13.2. This makes it possible for authenticated attackers, with administrator-level access and above, to upload arbitrary files with double extensions on the affected site's server which may make remote code execution possible. This is only exploitable on select instances where the configuration will execute the first extension present.