CVE-2024-8680: The MC4WP: Mailchimp for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin

Q: How do I fix CVE-2024-8680?

mailchimp: upgrade to 4.9.17. Exact commands for each OS are on this page.

Q: Is CVE-2024-8680 being exploited?

CVE-2024-8680 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-2024-8680 affect?

CVE-2024-8680 affects mailchimp. Severity is medium (CVSS 4.4). The MC4WP: Mailchimp for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 4.9.16 due to insufficient input sanitization and output escaping. This makes it p

Q: How urgent is CVE-2024-8680?

Priority 27/100. No elevated risk signals yet.

Routine

MEDIUM 4.4UPGRADE

CVE-2024-8680 is a medium-severity flaw (CVSS 4.4) affecting mailchimp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The MC4WP: Mailchimp for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 4.9.16 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.4 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	High
User interaction	None
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-80, CWE-79
Published	2024-09-21
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: ibericode

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

Am I affected?

Timeline

2024-09-21 09:15 UTCPublished CVE record published
2026-06-17 08:23 UTCUpdated Record last modified

ibericode mailchimp UPGRADE

Affected: < 4.9.17

Fixed in: 4.9.17

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mailchimp || rpm -q mailchimp || mailchimp --version

2. UPGRADE to 4.9.17 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mailchimp

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade 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-2024-8680?

mailchimp: upgrade to 4.9.17. Exact commands for each OS are on this page.

Is CVE-2024-8680 being exploited?

CVE-2024-8680 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-2024-8680 affect?

CVE-2024-8680 affects mailchimp. Severity is medium (CVSS 4.4). The MC4WP: Mailchimp for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 4.9.16 due to insufficient input sanitization and output escaping. This makes it p

How urgent is CVE-2024-8680?

Priority 27/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2024-8850 MEDIUM 6.1 UPGRADE The MC4WP: Mailchimp for WordPress plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via th
CVE-2023-51682 MEDIUM 5.3 UPGRADE Missing Authorization vulnerability in ibericode MC4WP.This issue affects MC4WP: from n/a through 4.9.9.

References

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