CVE-2026-87917: falha de média gravidade em dvankooten MC4WP: Mailchimp for WordPress
MC4WP: Mailchimp for WordPress <= 4.14.0 - Reflected Cross-Site Scripting via 'data' Dynamic Content Tag
Publicada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
13Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 6.1epss 0.4%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Produtos afetados
dvankooten · MC4WP: Mailchimp for WordPressCVEs relacionadas — dvankooten MC4WP: Mailchimp for WordPress
No mesmo produto, das mais perigosas para as menos.
CVE-2024-8680MEDIUMMailChimp for Wordpress <= 4.9.16 - Authenticated (Administrator+) Stored Cross-Site ScriptingEPSS 0.5%CVE-2024-8850MEDIUMMC4WP: Mailchimp for WordPress 4.9.9 - 4.9.16 - Reflected Cross-Site ScriptingEPSS 0.5%CVE-2026-4561MEDIUMMC4WP: Mailchimp for WordPress <= 4.12.0 - Authenticated (Author+) Stored Cross-Site Scripting via Form Response MessagesEPSS 0.3%CVE-2026-1781MEDIUMMC4WP: Mailchimp for WordPress <= 4.11.1 - Missing Authorization to Unauthenticated Arbitrary Subscription DeletionEPSS 0.3%
Referências
https://plugins.trac.wordpress.org/browser/mailchimp-for-wp/tags/4.14.0/includes/class-dynamic-content-tags.php#L127https://plugins.trac.wordpress.org/browser/mailchimp-for-wp/tags/4.14.0/includes/forms/class-form-tags.php#L109https://plugins.trac.wordpress.org/browser/mailchimp-for-wp/tags/4.14.0/includes/forms/class-form-tags.php#L57https://plugins.trac.wordpress.org/changeset?reponame=&new=3689679%40mailchimp-for-wp%2Ftags%2F4.14.1&old=3655905%40mailchimp-for-wp%2Ftags%2F4.14.0https://plugins.trac.wordpress.org/changeset?reponame=&new=3698084%40mailchimp-for-wp%2Ftags%2F4.14.1&old=3655905%40mailchimp-for-wp%2Ftags%2F4.14.0https://www.wordfence.com/threat-intel/vulnerabilities/id/ee4f837a-d0b5-48df-8c96-2a294985612e?source=cve