The Translate WordPress with GTranslate WordPress plugin before 3.0.4 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). This vulnerability affects multiple parameters.

The Translate WordPress with GTranslate WordPress plugin before 2.9.9 does not have CSRF check in some files, and write debug data such as user's cookies in a publicly accessible file if a specific parameter is used when requesting them. Combining those two issues, an attacker could gain access to a logged in admin cookies by making them open a malicious link or page

The Translate WordPress with GTranslate WordPress plugin before 2.9.7 does not sanitise and escape the body parameter in the url_addon/gtranslate-email.php file before outputting it back in the page, leading to a Reflected Cross-Site Scripting issue. Note: exploitation of the issue requires knowledge of the NONCE_SALT and NONCE_KEY

The GTranslate plugin before 2.8.52 for WordPress has Reflected XSS via a crafted link. This requires use of the hreflang tags feature within a sub-domain or sub-directory paid option.