Medium (6.1) in yiiframework yii. EPSS 0.2% chance of exploitation in the next 30 days.
Yii is an open source PHP web framework. Prior to 1.1.31, yiisoft/yii is vulnerable to Reflected XSS in specific scenarios where the fallback error renderer is used. Upgrade yiisoft/yii to version 1.1.31 or higher.
Severity
CVSS 3.1
6.1 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.2% chance of exploitation in the next 30 days; higher than 15% of CVEs (scores of 2026-10-31)