The wp-eMember WordPress plugin before 10.3.9 does not sanitize and escape the "fieldId" parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting.
The wp-eMember WordPress plugin before 10.3.9 does not sanitize and escape the "fieldId" parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting.