CVE-2021-24985: Easy Forms for Mailchimp < 6.8.6 - Reflected Cross-Site Scripting

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-01-24 · updated 2026-06-17
Weakness: CWE-79

Description

The Easy Forms for Mailchimp WordPress plugin before 6.8.6 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

Affected products

Easy Forms for Mailchimp: before 6.8.6 — fixed in 6.8.6

How to fix

Upgrade to a fixed version: Easy Forms for Mailchimp 6.8.6. Check the vendor advisory for mitigations.

References

https://plugins.trac.wordpress.org/changeset/2646017
https://wpscan.com/vulnerability/50be0ebf-fe6d-41e5-8af9-0d74f33aeb57
https://plugins.trac.wordpress.org/changeset/2646017
https://wpscan.com/vulnerability/50be0ebf-fe6d-41e5-8af9-0d74f33aeb57

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