CVE-2021-4244: A vulnerability classified as problematic has been found in yikes-inc-easy-mailchimp-extender Plugin up to 6.8

Q: How do I fix CVE-2021-4244?

easy forms for mailchimp: upgrade to 6.8.6. Exact commands for each OS are on this page.

Q: Is CVE-2021-4244 being exploited?

CVE-2021-4244 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-4244 affect?

CVE-2021-4244 affects easy forms for mailchimp. Severity is low (CVSS 2.6). 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_nam

Q: How urgent is CVE-2021-4244?

Priority 21/100. No elevated risk signals yet.

Routine

LOW 2.6UPGRADE

CVE-2021-4244 is a low-severity flaw (CVSS 2.6) affecting easy forms for mailchimp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 3662c6593aa1bb428

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	2.6 (Low)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-707, CWE-79
Published	2022-12-12
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: yikesplugins

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-12-12 14:15 UTCPublished CVE record published
2026-06-17 04:19 UTCUpdated Record last modified

yikesplugins easy forms for mailchimp UPGRADE

Affected: < 6.8.6

Fixed in: 6.8.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy easy-forms-for-mailchimp || rpm -q easy-forms-for-mailchimp || easy-forms-for-mailchimp --version

2. UPGRADE to 6.8.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade easy-forms-for-mailchimp

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade easy-forms-for-mailchimp

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-4244?

easy forms for mailchimp: upgrade to 6.8.6. Exact commands for each OS are on this page.

Is CVE-2021-4244 being exploited?

CVE-2021-4244 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-4244 affect?

CVE-2021-4244 affects easy forms for mailchimp. Severity is low (CVSS 2.6). 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_nam

How urgent is CVE-2021-4244?

Priority 21/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

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References

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