CVE-2026-2569

Dear Flipbook <= 2.4.20 - Authenticated (Auhtor+) Stored Cross-Site Scripting via PDF Page Labels

CVSS 6.4 MEDIUMEPSS 0.2%CWE-79

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.4EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

10 Mar 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

The Dear Flipbook – PDF Flipbook, 3D Flipbook, PDF embed, PDF viewer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via PDF page labels in all versions up to, and including, 2.4.20 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Affected products

dearhive · Dear Flipbook – PDF Flipbook, 3D Flipbook, PDF embed, PDF viewer

References

https://plugins.trac.wordpress.org/changeset/3473595/https://www.wordfence.com/threat-intel/vulnerabilities/id/4d89a4ca-c867-43bf-aace-295de8533fcd?source=cve