CVE-2026-11592
Vulnérabilité moyenne dans Email Subscribers & Newsletters – Email Marketing, Post Notifications & Newsletter Plugin for WordPress (icegram)
Description
The Email Subscribers & Newsletters – Email Marketing, Post Notifications & Newsletter Plugin for WordPress plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 5.9.27. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with contributor-level access and above, to overwrite plugin mail settings (from name and from email address), create audience lists, insert arbitrary contacts into those lists, create and overwrite newsletter broadcasts and post notifications, add workflows, and queue and dispatch mass email to arbitrary recipients.
Gravité et risque d'exploitation
CVE-2026-11592 obtient un score CVSS de 4.3/10, soit une gravité moyenne. Selon le modèle EPSS, la probabilité qu'elle soit exploitée dans les 30 prochains jours est de 0.47 %, ce qui la place devant 39.6 % des CVE référencées.
Que faire ?
- Vérifiez si Email Subscribers & Newsletters – Email Marketing, Post Notifications & Newsletter Plugin for WordPress (versions <=5.9.27, 0) est présent sur votre parc.
- Appliquez le correctif ou la version corrigée indiqués dans les références de l'éditeur.
- À défaut de correctif, limitez l'exposition (filtrage réseau, désactivation du composant).
- Automatisez la détection : les agents CVE Heimdall (gratuits, open source) corrèlent l'inventaire de vos serveurs avec la base CVE.
Références
- https://www.wordfence.com/threat-intel/vulnerabilities/id/a2e70691-4de9-4b12-babf-bebe267a780b?source=cve
- https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.24/lite/admin/class-ig-es-onboarding.php#L171
- https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.24/lite/admin/class-email-subscribers-admin.php#L216
- https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.24/lite/includes/classes/class-es-newsletters.php#L717
- https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.24/lite/includes/workflows/admin/class-es-workflow-admin-edit.php#L74
- https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.24/lite/includes/class-email-subscribers-activator.php#L66
- https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.21/lite/admin/class-ig-es-onboarding.php#L171
- https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.21/lite/admin/class-email-subscribers-admin.php#L216
- https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.21/lite/includes/classes/class-es-newsletters.php#L717
- https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.21/lite/includes/workflows/admin/class-es-workflow-admin-edit.php#L74
- https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.21/lite/includes/class-email-subscribers-activator.php#L66
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3584584%40email-subscribers&new=3584584%40email-subscribers&sfp_email=&sfph_mail=
