Signal is active with 2 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
The MC4WP: Mailchimp for WordPress plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 'data' Dynamic Content Tag in all versions up to, and including, 4.14.0 due to insufficient input sanitization and output escaping. 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.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
AVAILABLE
Momentum
NONE
🚨 MC4WP: Mailchimp for WordPress に脆弱性（深刻度 中） 100万サイト以上が利用 / CVSS 6.1 修正版 4.14.1 が公開済み https://shindan.m-g-n.me/alerts/cve-2026-87917/
Post summary
The tweet announces a medium-severity vulnerability in MC4WP: Mailchimp for WordPress with a CVSS score of 6.1 and notes that version 4.14.1 is available as a fix.
CVE-2026-87917 The MC4WP: Mailchimp for WordPress plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 'data' Dynamic Content Tag in all versions up to, and incl… https://www.cve.org/CVERecord?id=CVE-2026-87917
Post summary
The text serves as a disclosure announcement for CVE-2026-87917, detailing a Reflected XSS vulnerability in the MC4WP WordPress plugin via the 'data' Dynamic Content Tag and linking to the official CVE record.