CVE-2026-3659
Vulnérabilité moyenne dans WP Circliful (bappidgreat)
Description
The WP Circliful plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'id' shortcode attribute of the [circliful] shortcode and via multiple shortcode attributes of the [circliful_direct] shortcode in all versions up to and including 1.2. This is due to insufficient input sanitization and output escaping on user-supplied shortcode attributes. Specifically, in the circliful_shortcode() function, the 'id' attribute value is concatenated directly into an HTML id attribute (line 285) without any escaping, allowing an attacker to break out of the double-quoted attribute and inject arbitrary HTML event handlers. Similarly, the circliful_direct_shortcode() function (line 257) outputs all shortcode attributes directly into HTML data-* attributes without escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Gravité et risque d'exploitation
CVE-2026-3659 obtient un score CVSS de 6.4/10, soit une gravité moyenne. Selon le modèle EPSS, la probabilité qu'elle soit exploitée dans les 30 prochains jours est de 0.41 %, ce qui la place devant 33.5 % des CVE référencées.
Que faire ?
- Vérifiez si WP Circliful (versions <=1.2, 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/030534e2-bf7d-42e4-94a1-986f629bea15?source=cve
- https://plugins.trac.wordpress.org/browser/wp-circliful/trunk/wp-circliful.php#L285
- https://plugins.trac.wordpress.org/browser/wp-circliful/tags/1.2/wp-circliful.php#L285
- https://plugins.trac.wordpress.org/browser/wp-circliful/trunk/wp-circliful.php#L257
- https://plugins.trac.wordpress.org/browser/wp-circliful/tags/1.2/wp-circliful.php#L257
- https://plugins.trac.wordpress.org/browser/wp-circliful/trunk/wp-circliful.php#L263
- https://plugins.trac.wordpress.org/browser/wp-circliful/tags/1.2/wp-circliful.php#L263
- https://plugins.trac.wordpress.org/browser/wp-circliful/trunk/wp-circliful.php#L241
- https://plugins.trac.wordpress.org/browser/wp-circliful/tags/1.2/wp-circliful.php#L241
