CVE-2021-4244

Name: CVE-2021-4244
Creator: NVD / NIST
Published: 2022-12-12T14:15:10.4+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.55%

Last modified Jun 17, 2026

CVE-2021-4244 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A vulnerability classified as problematic has been found in yikes-inc-easy-mailchimp-extender Plugin up to 6.8.5. This affects an unknown part of the file admin/partials/ajax/add_field_to_form.php. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

A vulnerability classified as problematic has been found in yikes-inc-easy-mailchimp-extender Plugin up to 6.8.5. This affects an unknown part of the file admin/partials/ajax/add_field_to_form.php. The manipulation of the argument field_name/merge_tag/field_type/list_id leads to cross site scripting. It is possible to initiate the attack remotely. Upgrading to version 6.8.6 is able to address this issue. The name of the patch is 3662c6593aa1bb4286781214891d26de2e947695. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-215307.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.55%

41.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Yikesplugins	Easy Forms For Mailchimp	< 6.8.6

References

https://github.com/EvanHerman/yikes-inc-easy-mailchimp-extender/commit/3662c6593aa1bb4286781214891d26de2e947695Patch, Third Party Advisory
https://github.com/EvanHerman/yikes-inc-easy-mailchimp-extender/pull/889Patch, Third Party Advisory
https://github.com/EvanHerman/yikes-inc-easy-mailchimp-extender/releases/tag/6.8.6Release Notes, Third Party Advisory
https://vuldb.com/?id.215307Third Party Advisory
https://github.com/EvanHerman/yikes-inc-easy-mailchimp-extender/commit/3662c6593aa1bb4286781214891d26de2e947695Patch, Third Party Advisory
https://github.com/EvanHerman/yikes-inc-easy-mailchimp-extender/pull/889Patch, Third Party Advisory
https://github.com/EvanHerman/yikes-inc-easy-mailchimp-extender/releases/tag/6.8.6Release Notes, Third Party Advisory
https://vuldb.com/?id.215307Third Party Advisory

Timeline

Published: Dec 12, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-4244?

How severe is CVE-2021-4244?

CVE-2021-4244 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.

How do I fix CVE-2021-4244?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-4244?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST