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