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Rewterz Threat Advisory – CVE-2019-18834 – WooCommerce Subscriptions plugin for WordPress cross-site scripting

Severity

Medium

Analysis Summary

WooCommerce Subscriptions plugin for WordPress is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the class-wcs-admin-post-types.php script. A remote attacker could exploit this vulnerability using the WCS_Admin_Post_Types parameter to inject malicious script into a Web page which would be executed in a victim’s Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.

Impact

Cross-Site Scripting

Affected Vendors

WordPress

Affected Products

WordPress WooCommerce Subscriptions plugin for WordPress 2.6.2

Remediation

Upgrade to the latest version of WooCommerce Subscriptions plugin for WordPress (2.6.3 or later).