CVE-2025-32027: Yii does not prevent XSS in scenarios where fallback error renderer is used

6.1 CVSS

Description

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.

Classification

CVE ID: CVE-2025-32027

CVSS Base Severity: MEDIUM

CVSS Base Score: 6.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Problem Types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

Affected Products

Vendor: yiisoft

Product: yii

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 7.57% (scored less or equal to compared to others)

EPSS Date: 2025-04-20 (when was this score calculated)

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: none

SSVC Technical Impact: partial

SSVC Automatable: false

References

https://nvd.nist.gov/vuln/detail/CVE-2025-32027
https://github.com/yiisoft/yii/security/advisories/GHSA-7r2v-8wxr-3ch5
https://github.com/yiisoft/yii/commit/d386d737861c9014269b7ed8c36c65eadb387368

Timeline