The Sugar Calendar – Simple Event Management plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg & remove_query_arg without appropriate escaping on the URL in all versions up to, and including, 3.3.0. 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.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Alexander Conroy Simpul Events by Esotech allows Stored XSS.This issue affects Simpul Events by Esotech: from n/a through 1.8.5.

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

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Jerin K Alexander Events Manager Pro – extended allows Reflected XSS.This issue affects Events Manager Pro – extended: from n/a through 0.1.

Improper Neutralization of Special Elements Used in a Template Engine vulnerability in Saso Nikolov Event Tickets with Ticket Scanner allows Server Side Include (SSI) Injection.This issue affects Event Tickets with Ticket Scanner: from n/a through 2.3.11.

The Countdown Timer block – Display the event's date into a timer. plugin for WordPress is vulnerable to Information Exposure in all versions up to, and including, 1.2.4 via the [ctb] shortcode due to insufficient restrictions on which posts can be included. This makes it possible for authenticated attackers, with Contributor-level access and above, to extract data from password protected, private, or draft posts that they should not have access to.

The Registrations for the Events Calendar WordPress plugin before 2.12.4 does not sanitise and escape some parameters when accepting event registrations, which could allow unauthenticated users to perform Cross-Site Scripting attacks.

The Event post plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's events_cal shortcode in all versions up to, and including, 5.9.6 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

A vulnerability was found in code-projects University Event Management System 1.0. It has been classified as critical. This affects an unknown part of the file doedit.php. The manipulation of the argument id leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The initial researcher advisory mentions a confusing product name to be affected. Other parameters might be affected as well.

A vulnerability was found in code-projects University Event Management System 1.0 and classified as critical. This issue affects some unknown processing of the file /dodelete.php. The manipulation of the argument id leads to sql injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.