PT-2026-24506 · WordPress · Dear Flipbook+4

Drew Webber · Published 2026-03-10 · Updated 2026-03-11 · CVE-2026-2569

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions The Dear Flipbook – PDF Flipbook, 3D Flipbook, PDF embed, PDF viewer plugin for WordPress versions through 2.4.20

Description The Dear Flipbook WordPress plugin is susceptible to Stored Cross-Site Scripting through PDF page labels due to inadequate input sanitization and output escaping. This allows authenticated attackers with Author-level access or higher to inject arbitrary web scripts into pages. These scripts will execute when a user accesses the injected page.

Recommendations Update to a version beyond 2.4.20

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-2569

Affected Products

3D Flipbook

Dear Flipbook

Pdf Flipbook

Pdf Embed

Pdf Viewer

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-2569 · Security Note
• https://twitter.com/CVEnew/status/2031597314599719283 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/4d89a4ca-c867-43bf-aace-295de8533fcd?source=cve · Note
• https://plugins.trac.wordpress.org/changeset/3473595 · Note
• https://t.me/cveNotify/155012 · Telegram Post