CVE-2022-2556: The Mailchimp for WooCommerce WordPress plugin before 2.7.2 has an AJAX action that allows high privilege user

Q: How do I fix CVE-2022-2556?

mailchimp for woocommerce: upgrade to 2.7.2. Exact commands for each OS are on this page.

Q: Is CVE-2022-2556 being exploited?

CVE-2022-2556 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-2022-2556 affect?

CVE-2022-2556 affects mailchimp for woocommerce. Severity is low (CVSS 2.7). The Mailchimp for WooCommerce WordPress plugin before 2.7.2 has an AJAX action that allows high privilege users to perform a POST request on behalf of the server to the internal network/LAN, the body of the request is also appended to the r

Q: How urgent is CVE-2022-2556?

Priority 28/100. Public exploit reference

Routine

LOW 2.7UPGRADE

CVE-2022-2556 is a low-severity flaw (CVSS 2.7) affecting mailchimp for woocommerce. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Mailchimp for WooCommerce WordPress plugin before 2.7.2 has an AJAX action that allows high privilege users to perform a POST request on behalf of the server to the internal network/LAN, the body of the request is also appended to the response so it can be used to scan private network for example

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	2.7 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-918
Published	2022-08-29
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: mailchimp

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

Am I affected?

Timeline

2022-08-29 18:15 UTCPublished CVE record published
2026-06-17 04:42 UTCUpdated Record last modified

mailchimp mailchimp for woocommerce UPGRADE

Affected: < 2.7.2

Fixed in: 2.7.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 2.7.2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mailchimp-for-woocommerce

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-2022-2556?

mailchimp for woocommerce: upgrade to 2.7.2. Exact commands for each OS are on this page.

Is CVE-2022-2556 being exploited?

CVE-2022-2556 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-2022-2556 affect?

CVE-2022-2556 affects mailchimp for woocommerce. Severity is low (CVSS 2.7). The Mailchimp for WooCommerce WordPress plugin before 2.7.2 has an AJAX action that allows high privilege users to perform a POST request on behalf of the server to the internal network/LAN, the body of the request is also appended to the r

How urgent is CVE-2022-2556?

Priority 28/100. Public exploit reference

Software pages

WordPress vulnerabilities · WooCommerce vulnerabilities

Related CVEs

CVE-2022-2267 MEDIUM 4.3 UPGRADE The Mailchimp for WooCommerce WordPress plugin before 2.7.1 has an AJAX action that allows any logged in users

References

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