3D FlipBook – PDF Embedder, PDF Flipbook Viewer, Flipbook Image Gallery - Information Disclosure (CVE-2026-1314)

CVE-2026-1314 is an information disclosure vulnerability in the 3D FlipBook – PDF Embedder, PDF Flipbook Viewer, Flipbook Image Gallery WordPress plugin, affecting versions up to 1.16.17. Due to a missing capability check, unauthenticated attackers can access flipbook page metadata for draft, private, and password-protected flipbooks. This flaw could expose sensitive or unpublished content to unauthorized users, potentially leading to privacy breaches or information leaks on affected WordPress sites.

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

CrowdSec network observations suggest that most exploitation of CVE-2026-1314 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. CrowdSec network telemetry also shows that exploitation of CVE-2026-1314 has significantly declined over the past week. Attack volumes are well below the long-term average, suggesting attackers are rapidly losing interest. The vulnerability appears to be falling out of active use across most threat landscapes.

Attackers exploit unauthenticated requests to /wp-admin/admin-ajax.php with the action=fb3d_send_posts parameter to retrieve sensitive metadata and configuration data from private or draft 3D FlipBook posts.