Is Ivory Search safe? Known vulnerabilities and latest version

The Ivory Search – WordPress Search Plugin plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 's' parameter in all versions up to, and including, 5.5.18 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires that the targeted search form has the 'Highlight Search Terms' option enabled by an administrator, and that the malicious search query returns at least one post result.

The Ivory Search – WordPress Search Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'menu_title' and 'menu_magnifier_color' Settings in all versions up to, and including, 5.5.15 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Ivory Search – WordPress Search Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 5.5.13 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Missing Authorization vulnerability in Vinod Dalvi Ivory Search add-search-to-menu allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Ivory Search: from n/a through <= 5.5.12.

The Ivory Search WordPress plugin before 5.5.10 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed

The Ivory Search – WordPress Search Plugin plugin for WordPress is vulnerable to Information Exposure in all versions up to, and including, 5.5.6 via the ajax_load_posts function. This makes it possible for unauthenticated attackers to extract text data from password-protected posts using the boolean-based attack on the AJAX search form

The Ivory Search – WordPress Search Plugin plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the ajax_create_index() function in all versions up to, and including, 5.5.5. This makes it possible for authenticated attackers, with subscriber-level access and above, to trigger index creation.

The Ivory Search WordPress plugin before 5.4.1 does not escape some of the Form settings, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Reflected Cross-Site Scripting (XSS) vulnerability in WordPress Ivory Search plugin (versions <= 4.6.6). Vulnerable parameter: &post.

The Search Forms page of the Ivory Search WordPress lugin before 4.6.1 did not properly sanitise the tab parameter before output it in the page, leading to a reflected Cross-Site Scripting issue when opening a malicious crafted link as a high privilege user. Knowledge of a form id is required to conduct the attack.