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CVE-2026-8625

MEDIUM 6.4 CVSS 3.1
Published
September 5, 2026
Last modified
September 8, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Description

The Dear Flipbook – PDF Flipbook, 3D Flipbook, PDF embed, PDF viewer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'post_content (Custom HTML block inner HTML)' parameter in all versions up to, and including, 2.4.30 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. A Contributor-level attacker can insert a crafted .df-element div with data-df-lightbox='thumb' via a Custom HTML block, whose inner HTML is passed as the title argument to parseThumbs() at render time, enabling both innerHTML injection into a span element and attribute breakout via an onerror handler on a constructed img element.

Affected WordPress components

  • DearFlip – PDF Flipbook, 3D Flipbook, PDF embed, PDF viewer Plugin · 3d-flipbook-dflip-lite
    Confirmed match Active
    Up to and including 2.4.30
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • dearhive DearFlip – PDF Flipbook, 3D Flipbook, PDF embed, PDF viewer — Up to and including 2.4.30

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/3d-flipbook-dflip-lite/tags/2.4.27/assets/js/dflip.js#L2712
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/3d-flipbook-dflip-lite/tags/2.4.27/assets/js/dflip.js#L2718
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/3d-flipbook-dflip-lite/tags/2.4.27/assets/js/dflip.js#L2791
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/3d-flipbook-dflip-lite/tags/2.4.27/assets/js/dflip.js#L2796
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3641463/3d-flipbook-dflip-lite/trunk/assets/js/dflip.js
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?old_path=%2F3d-flipbook-dflip-lite/tags/2.4.30&new_path=%2F3d-flipbook-dflip-lite/tags/2.4.37
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&new=3641463%403d-flipbook-dflip-lite%2Ftags%2F2.4.37&old=3557511%403d-flipbook-dflip-lite%2Ftags%2F2.4.30
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/741150a3-1b2a-4b54-9dd5-992d3d7079dc?source=cve
  • nvd.nist.gov Official NVD record