CVE-2024-3277: Yumpu E-Paper Publishing

Medium severity, CVSS 5.0. EPSS: 0.3% chance of exploitation in the next 30 days.

The Yumpu ePaper publishing plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the ajax_handler function in all versions up to, and including, 2.0.24. This makes it possible for authenticated attackers, with subscriber-level access and above, to upload PDF files and publish them, as well as modify the API key.

Affected products

• Yumpu Yumpu E-Paper Publishing: up to and including 2.0.24
• Yumpu Yumpu Epaper Publishing: up to and including 2.0.24

Published 2024-05-30. Last modified 2026-06-17.