The Qtranslate Slug plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.1.18. This is due to missing or incorrect nonce validation on the save_postdata() function. This makes it possible for unauthenticated attackers to save post data via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

A vulnerability was found in Qtranslate Slug Plugin up to 1.1.16 on WordPress. It has been classified as problematic. Affected is the function add_slug_meta_box of the file includes/class-qtranslate-slug.php. The manipulation leads to cross site scripting. It is possible to launch the attack remotely. Upgrading to version 1.1.17 is able to address this issue. The name of the patch is 74b3932696f9868e14563e51b7d0bb68c53bf5e4. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-222324.

The qtranslate-x plugin before 3.4.4 for WordPress has CSRF with resultant XSS via the wp-admin/options-general.php?page=qtranslate-x json_config_files or json_custom_i18n_config parameter.

Cross-site scripting (XSS) vulnerability in the qTranslate plugin 2.5.39 and earlier for WordPress allows remote attackers to inject arbitrary web script or HTML via the edit parameter in the qtranslate page to wp-admin/options-general.php.