CVE-2023-0924: Zyrex Popup

High severity, CVSS 7.2. EPSS: 1% chance of exploitation in the next 30 days.

The ZYREX POPUP WordPress plugin through 1.0 does not validate the type of files uploaded when creating a popup, allowing a high privileged user (such as an Administrator) to upload arbitrary files, even when modifying the file system is disallowed, such as in a multisite install.

Affected products

• Zyrex Popup: before 1.1 (fixed in 1.1)

Published 2023-05-02. Last modified 2026-06-17.