What is CVE-2026-2569?

CVE-2026-2569 is a medium-severity vulnerability in Dearhive Dear Flipbook – Pdf Flipbook, 3d Embed, Viewer, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-03-11.

How severe is CVE-2026-2569?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Dearhive Dear Flipbook – Pdf Flipbook, 3d Embed, Viewer

CVE-2026-2569

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (4.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: 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 Embed, Viewer — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-2569?: CVE-2026-2569 is a medium-severity vulnerability in Dearhive Dear Flipbook – Pdf Flipbook, 3d Embed, Viewer, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-03-11.
How severe is CVE-2026-2569?: Medium severity. CVSS v3 base score is 6.4 out of 10.