CVE-2026-8996
Vulnérabilité moyenne dans Backup and Staging by WP Time Capsule (revmakx)
Description
The Backup and Staging by WP Time Capsule plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.22.26 via the download_recent_decrypted_file_wptc. This makes it possible for authenticated attackers, with subscriber-level access and above, to extract download the most recently admin-decrypted SQL database backup, which typically contains password hashes, user credentials, and other sensitive site configuration data stored in the 'recent_decrypted_file' option. Exploitation requires that an administrator has previously performed a decrypt action, causing the decrypted SQL backup file to exist in the plugin's upload directory; without this prior admin action, there is no file to serve.
Gravité et risque d'exploitation
CVE-2026-8996 obtient un score CVSS de 6.5/10, 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 39.7 % des CVE référencées.
Que faire ?
- Vérifiez si Backup and Staging by WP Time Capsule (versions <=1.22.26, 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/f7c39d66-f1e1-4d41-a9e4-984aec3f37dc?source=cve
- https://plugins.trac.wordpress.org/browser/wp-time-capsule/trunk/wp-time-capsule.php#L3764
- https://plugins.trac.wordpress.org/browser/wp-time-capsule/trunk/wp-time-capsule.php#L410
- https://plugins.trac.wordpress.org/browser/wp-time-capsule/trunk/Views/wptc-download-file.php#L23
- https://plugins.trac.wordpress.org/browser/wp-time-capsule/tags/1.22.26/wp-time-capsule.php#L3764
- https://plugins.trac.wordpress.org/browser/wp-time-capsule/tags/1.22.26/wp-time-capsule.php#L410
- https://plugins.trac.wordpress.org/browser/wp-time-capsule/tags/1.22.26/Views/wptc-download-file.php#L23
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3563585%40wp-time-capsule&new=3563585%40wp-time-capsule
