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Mailchimp for WooCommerce vulnerabilities
Mailchimp for WooCommerce has 5 known vulnerabilities in this database. The most recent published record is dated 3 Oct 2026.
- Known vulnerabilities
- 5
- Active installs
- 200,000+
- Latest version
- 6.3
- Last updated
- 23 Sep 2026
- Most recent
- 3 Oct 2026
Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.
| Vulnerability | Severity | Affected | Fix | Published |
|---|---|---|---|---|
| Broken access control CVE-2026-92437 | Medium 5.3 | Before 6.3 | Fixed in 6.3 | 4 d ago |
| Broken access control CVE-2026-92436 | Medium 5.3 | Before 6.3 | Fixed in 6.3 | 10 d ago |
| Broken access control CVE-2026-92435 | Medium 5.3 | Before 6.1.1 | Fixed in 6.1.1 | 19 Sep 2026 |
| Server-side request forgery (SSRF) CVE-2022-2267 | Medium 4.3 | Before 2.7.1 | Fixed in 2.7.1 | 29 Aug 2022 |
| Server-side request forgery (SSRF) CVE-2022-2556 | Low 2.7 | Before 2.7.2 | Fixed in 2.7.2 | 29 Aug 2022 |
Read the published descriptions
- CVE-2026-92437, 3 Oct 2026
- The Mailchimp for WooCommerce WordPress plugin before 6.3 does not require authentication, a nonce or an ownership check before it acts on a customer's abandoned-cart record identified from request-supplied data, allowing an unauthenticated attacker to modify or delete another customer's stored cart. CVE record
- CVE-2026-92436, 27 Sep 2026
- The Mailchimp for WooCommerce WordPress plugin before 6.3 does not require authentication or verify ownership before loading a saved cart from a request-supplied identifier that is derived from a customer's email address, allowing an unauthenticated attacker who knows a customer's email address to confirm that the customer shops at the store and to read that customer's saved cart contents. CVE record
- CVE-2026-92435, 19 Sep 2026
- The Mailchimp for WooCommerce WordPress plugin before 6.1.1 does not verify that the requesting user holds the required capability in the permission callback for several of its REST API routes, allowing unauthenticated users to reach administrator-oriented endpoints and trigger a persistent state change. CVE record
- CVE-2022-2267, 29 Aug 2022
- The Mailchimp for WooCommerce WordPress plugin before 2.7.1 has an AJAX action that allows any logged in users (such as subscriber) 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 CVE record
- CVE-2022-2556, 29 Aug 2022
- 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 CVE record
What to do if you run Mailchimp for WooCommerce
If you run Mailchimp for WooCommerce, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.
If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.
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