CVE-2017-7271: Yii Software Yii

Medium severity, CVSS 6.1. EPSS: 1% chance of exploitation in the next 30 days.

Reflected Cross-site scripting (XSS) vulnerability in Yii Framework before 2.0.11, when development mode is used, allows remote attackers to inject arbitrary web script or HTML via crafted request data that is mishandled on the debug-mode exception screen.

Affected products

• Yii Software Yii: up to and including 2.0.10

Published 2017-03-27. Last modified 2026-06-17.