Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in wpdevart Countdown and CountUp, WooCommerce Sales Timer plugin <= 1.8.2 versions.

Several WordPress plugins developed by Cool Plugins are vulnerable to arbitrary plugin installation and activation that can lead to remote code execution by authenticated attackers with minimal permissions, such as a subscriber.

The jQuery T(-) Countdown Widget WordPress plugin before 2.3.24 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

The Uji Countdown WordPress plugin before 2.3.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

A vulnerability classified as problematic was found in Countdown Timer. This vulnerability affects unknown code of the component Macro Handler. The manipulation leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Pro Features Lock Bypass vulnerability in Countdown & Clock plugin <= 2.3.2 at WordPress.

Multiple Authenticated (admin+) Persistent Cross-Site Scripting (XSS) vulnerabilities in Adam Skaat's Countdown & Clock plugin <= 2.3.2 at WordPress via &ycd-countdown-width, &ycd-progress-height, &ycd-progress-width, &ycd-button-margin-top, &ycd-button-margin-right, &ycd-button-margin-bottom, &ycd-button-margin-left, &ycd-circle-countdown-before-countdown, &ycd-circle-countdown-after-countdown vulnerable parameters.

Reflected Cross-Site Scripting (XSS) vulnerability in Adam Skaat's Countdown & Clock plugin on WordPress via &ycd_type vulnerable parameter.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Adam Skaat Countdown & Clock (WordPress plugin) countdown-builder allows Stored XSS.This issue affects Countdown & Clock (WordPress plugin): from n/a through 2.3.2.

The Countdown, Coming Soon, Maintenance WordPress plugin before 2.2.9 does not sanitize and escape the post parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting.