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CVE-2021-4244 Details

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.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CNA: [email protected]CVSS-B:2.6 LOWVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/EvanHerman/yikes-inc-easy-mailchimp-extender/commit/3662c6593aa1bb4286781214891d26de2e947695	CVE	PatchThird Party Advisory
https://github.com/EvanHerman/yikes-inc-easy-mailchimp-extender/pull/889	CVE	PatchThird Party Advisory
https://github.com/EvanHerman/yikes-inc-easy-mailchimp-extender/releases/tag/6.8.6	CVE	Release NotesThird Party Advisory
https://vuldb.com/?id.215307	CVE	Third Party Advisory
https://github.com/EvanHerman/yikes-inc-easy-mailchimp-extender/commit/3662c6593aa1bb4286781214891d26de2e947695	[email protected]	PatchThird Party Advisory
https://github.com/EvanHerman/yikes-inc-easy-mailchimp-extender/pull/889	[email protected]	PatchThird Party Advisory
https://github.com/EvanHerman/yikes-inc-easy-mailchimp-extender/releases/tag/6.8.6	[email protected]	Release NotesThird Party Advisory
https://vuldb.com/?id.215307	[email protected]	Third Party Advisory

see all 8 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]
CWE-707	Improper Neutralization	[email protected]

Affected Products

Product	Versions
yikesplugins easy forms for mailchimp	< 6.8.6
CPE cpe:2.3:a:yikesplugins:easy_forms_for_mailchimp::::::wordpress::* Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Dec 15, 2022	Initial Analysis	[email protected]