How severe is CVE-2024-8726?

CVE-2024-8726 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-8726 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-8726?

CVE-2024-8726 affects Mailmunch Mailchimp Forms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-8726?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-8726 have an EU (EUVD) identifier?

Yes. CVE-2024-8726 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49551.

When was CVE-2024-8726 published?

CVE-2024-8726 was published on 2024-11-20 and last updated on 2026-06-17.

CVE-2024-8726

CVE-2024-8726 is a medium-severity vulnerability in Mailmunch Mailchimp Forms with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-49551
Weakness: CWE-79
Affected product: Mailmunch Mailchimp Forms
Published: 2024-11-20
Last modified: 2026-06-17

Description

The MailChimp Forms by MailMunch plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 3.2.3. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Frequently asked questions

What is CVE-2024-8726?: The MailChimp Forms by MailMunch plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 3.2.3. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
How severe is CVE-2024-8726?: CVE-2024-8726 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-8726 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-8726?: CVE-2024-8726 affects Mailmunch Mailchimp Forms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-8726?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-8726 have an EU (EUVD) identifier?: Yes. CVE-2024-8726 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49551.
When was CVE-2024-8726 published?: CVE-2024-8726 was published on 2024-11-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mailmunch:mailchimp_forms:*:*:*:*:*:wordpress:*:*

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