CVE-2021-24985: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

January 24, 2022 (updated January 27, 2022)

The Easy Forms for Mailchimp WordPress plugin does not sanitise and escape the field_name and field_type parameters before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues

References

nvd.nist.gov/vuln/detail/CVE-2021-24985
plugins.trac.wordpress.org/changeset/2646017
wpscan.com/vulnerability/50be0ebf-fe6d-41e5-8af9-0d74f33aeb57

Code Behaviors & Features

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