Yii 2 before 2.0.52 mishandles the attaching of behavior that is defined by an __class array key, a CVE-2024-4990 regression, as exploited in the wild in February through April 2025.
🚨 Marked as known exploited on April 10th, 2025 (7 days ago).
CVE ID: CVE-2024-58136
CVSS Base Severity: CRITICAL
CVSS Base Score: 9.0
CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Vendor: yiiframework
Product: Yii
EPSS Score: 0.07% (probability of being exploited)
EPSS Percentile: 22.37% (scored less or equal to compared to others)
EPSS Date: 2025-04-16 (when was this score calculated)