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CVE-2021-24980

Description

The Gwolle Guestbook WordPress plugin before 4.2.0 does not sanitise and escape the gwolle_gb_user_email parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue in an admin page

POC

Reference

- https://wpscan.com/vulnerability/e50bcb39-9a01-433f-81b3-fd4018672b85

Github

- https://github.com/20142995/nuclei-templates