CVE-2021-4244

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

Upgrade easy forms for mailchimp to 6.8.6 or later.

Q: Is CVE-2021-4244 being actively exploited?

Not that we know of. CVE-2021-4244 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.55% is the estimated probability that it will be exploited in the next 30 days. That is higher than 43% of all scored CVEs.

Q: How severe is CVE-2021-4244?

CVE-2021-4244 has a CVSS v3 base score of 2.6, rated low. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2021-4244 affect?

Published advisories record a fix for easy forms for mailchimp (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

LOW

2.6

CVSS v3

NVD

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.

CWE-707 CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

easy forms for mailchimpNVD

Affected:< 6.8.6Fixed in:6.8.6CVE-2021-4244derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.55%probability of exploitation in 30 days

43rdpercentile

Moderate risk: more likely to be exploited than 43% of all known CVEs.

References

Patch2

Third-Party Advisory2

Related Vulnerabilities

Other CWE-707 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-10914	High	8.1	96%	-	-
CVE-2024-10915	High	8.1	79%	-	-
CVE-2024-43572	High	7.8	67%	KEV	Fix
CVE-2022-4257	Medium	6.3	44%	-	-
CVE-2025-26633	High	7.0	30%	KEV + Ransom	Fix
CVE-2022-3801	Medium	6.3	30%	-	-

Common questions

How do I fix CVE-2021-4244?

Upgrade easy forms for mailchimp to 6.8.6 or later.

Is CVE-2021-4244 being actively exploited?

Not that we know of. CVE-2021-4244 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.55% is the estimated probability that it will be exploited in the next 30 days. That is higher than 43% of all scored CVEs.

How severe is CVE-2021-4244?

CVE-2021-4244 has a CVSS v3 base score of 2.6, rated low. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2021-4244 affect?

Published advisories record a fix for easy forms for mailchimp (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2021-4244

Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.