CVE-2017-9244: Trello

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in the Trello app before 4.0.8 for iOS might allow remote attackers to inject arbitrary web script or HTML by uploading and attaching a crafted photo to a Card.

Affected products

• Trello Trello: up to and including 4.0.7

Published 2017-08-02. Last modified 2026-06-17.