Technology · MC4WP
MC4WP Mailchimp for WordPress vulnerabilities
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Junglewise Threat Intelligence has tracked 3 vulnerabilities in MC4WP Mailchimp for WordPress: 1 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-118167, was published on 6 November 2026. 1 vulnerability in the last four weeks, level on the four before (1).
- Last 7 days
- 1
- Last 90 days
- 3
- Critical, all time
- 0
- Exploited in the wild
- 0
About MC4WP Mailchimp for WordPress
WordPress plugin for integrating and managing Mailchimp email marketing campaigns and mailing lists.
Latest MC4WP Mailchimp for WordPress vulnerabilities
- CVE-2026-118167: MC4WP: Mailchimp for WordPress audience validation bypassinfo
- CVE-2026-87917: MC4WP: Mailchimp for WordPress reflected cross-site scriptingmediumCVSS 6.1EPSS 0.4%
- CVE-2026-4561: MC4WP: Mailchimp for WordPress stored cross-site scripting in form response messagesmediumCVSS 6.4EPSS 0.3%
Most severe MC4WP Mailchimp for WordPress vulnerabilities
Exploited in the wild first, then by severity and CVSS score.
- CVE-2026-4561: MC4WP: Mailchimp for WordPress stored cross-site scripting in form response messagesmediumCVSS 6.4EPSS 0.3%
- CVE-2026-87917: MC4WP: Mailchimp for WordPress reflected cross-site scriptingmediumCVSS 6.1EPSS 0.4%
- CVE-2026-118167: MC4WP: Mailchimp for WordPress audience validation bypassinfo
Vulnerabilities per week
1 vulnerability in the last four weeks, level on the four before (1). The last 13 weeks, by the week each vulnerability was published.
| Week of | Bar | Vulns | Critical |
|---|---|---|---|
| 17 Aug 2026 | 1 | 0 | |
| 24 Aug 2026 | 0 | 0 | |
| 31 Aug 2026 | 0 | 0 | |
| 7 Sep 2026 | 0 | 0 | |
| 14 Sep 2026 | 1 | 0 | |
| 21 Sep 2026 | 0 | 0 | |
| 28 Sep 2026 | 0 | 0 | |
| 5 Oct 2026 | 0 | 0 | |
| 12 Oct 2026 | 0 | 0 | |
| 19 Oct 2026 | 0 | 0 | |
| 26 Oct 2026 | 0 | 0 | |
| 2 Nov 2026 | 1 | 0 | |
| 9 Nov 2026 | 0 | 0 |
Embed a badge
A live badge for a README, a status page or an internal wiki: how many MC4WP Mailchimp for WordPress vulnerabilities were published in the last 7 days and how many of them are critical, refreshed hourly.
[](https://junglewise.ai/threats/technologies/mailchimp-for-wordpress)<a href="https://junglewise.ai/threats/technologies/mailchimp-for-wordpress"><img src="https://junglewise.ai/threats/technologies/mailchimp-for-wordpress/badge.svg" alt="MC4WP Mailchimp for WordPress vulnerabilities" /></a>How this is built
Junglewise Threat Intelligence collects vulnerabilities from NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories, and matches each one to the technologies and vendors it affects. Dates are the date a vulnerability was published, in UTC.
The pages are rebuilt from the database every hour. Frozen weekly and monthly reports never change once published, so they can be cited.
Use this data
The same data is at https://junglewise.ai/threats/technologies/mailchimp-for-wordpress.json, and this page as text at https://junglewise.ai/threats/technologies/mailchimp-for-wordpress.md, for scripts and language models. It is free to reuse under CC BY 4.0 with a link back to this page.
Cite as: Junglewise Threat Intelligence, "MC4WP Mailchimp for WordPress vulnerabilities", https://junglewise.ai/threats/technologies/mailchimp-for-wordpress, 9 November 2026.