3D FlipBook – PDF Flipbook Viewer, Flipbook Image Gallery - Information Disclosure (CVE-2025-58226)

CVE-2025-58226 is an information disclosure vulnerability in the 3D FlipBook – PDF Flipbook Viewer, Flipbook Image Gallery plugin by Iberezansky, affecting versions up to 1.16.16. This flaw allows attackers to retrieve sensitive embedded data sent by the plugin, potentially exposing confidential information to unauthorized parties. Exploiting this vulnerability could aid attackers in gathering sensitive details that may be leveraged in further attacks or data breaches.

CrowdSec has been tracking this vulnerability and its exploits since 6th of May 2026.

CrowdSec network observations suggest that most exploitation of CVE-2025-58226 involves focused reconnaissance to identify viable targets. Attackers typically tailor their campaigns based on system exposure and configuration. It is unlikely that a given attack is accidental. Data from the CrowdSec community also indicates a gradual decrease in attacks targeting CVE-2025-58226. While still present in the wild, exploitation levels have dropped noticeably week-over-week. This may signal that the vulnerability is becoming less relevant or that defenses are improving fast enough for attackers to lose interest.

Attackers exploit unauthenticated requests to /wp-admin/admin-ajax.php?action=fb3d_send_posts to retrieve sensitive 3D FlipBook post data, including protected content and metadata, from vulnerable WordPress sites.