3D Flipbook PDF Viewer permits unauthenticated server-side request forgery
3D Flipbook PDF Viewer & Embedder through 1.4.2 lets an unauthenticated attacker supply a destination that reaches an undisclosed server-side fetch operation. This can make the WordPress server send requests to attacker-selected or internal resources. The Patchstack CNA record does not disclose the route, action, URL parameter, fetch function, allowed schemes or response visibility.
- Component
- 3D Flipbook PDF Viewer & Embedder
- Plugin slug
pdf-embed-viewer- Affected
- n/a through 1.4.2
- Safe version
1.4.4- Published
- Jul 27, 2026
This CVE was published Jul 27, 2026 and is one of 1 known issue for this plugin.
Update, patch or deactivate.
Update 3D Flipbook PDF Viewer & Embedder to 1.4.4 or later. Review outbound traffic and application logs for requests to local, metadata or internal-network addresses.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
Unauthenticated Server Side Request Forgery (SSRF) in 3D Flipbook PDF Viewer & Embedder <= 1.4.2 versions.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N