CVE-2025-23634

CVE-2025-23634 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, affecting the WordPress plugin "Youtube Video Grid," also known as "youmax-channel-embeds-for-youtube-businesses." The issue resides in the codehandling component and impacts all versions from n/a through 1.9 inclusive. Published on 2025-01-23, it carries a CVSS v3.1 base score of 7.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L), indicating high severity due to its network accessibility and scope change.

Attackers can exploit this vulnerability remotely over the network with low complexity and no privileges required, but it necessitates user interaction, such as visiting a maliciously crafted URL reflected in the plugin's output. Exploitation enables limited impacts on confidentiality, integrity, and availability within a changed scope, typically allowing script execution in the context of the targeted user's browser session.

The Patchstack advisory (https://patchstack.com/database/Wordpress/Plugin/youmax-channel-embeds-for-youtube-businesses/vulnerability/wordpress-youtube-video-grid-plugin-1-9-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve) documents the Reflected XSS in the Youtube Video Grid plugin up to version 1.9, providing details for WordPress administrators to assess and address the issue through plugin updates or removal.