CVE-2018-18924: Projeqtor

High severity, CVSS 8.8. EPSS: 9.5% chance of exploitation in the next 30 days.

The image-upload feature in ProjeQtOr 7.2.5 allows remote attackers to execute arbitrary code by uploading a .shtml file with "#exec cmd" because rejected files remain on the server, with predictable filenames, after a "This file is not a valid image" error message.

Affected products

• Projeqtor Projeqtor: up to and including 7.2.5

Published 2018-11-04. Last modified 2026-06-17.